Medical Manifestations: Endo/Heme/Onc Flashcards

(146 cards)

1
Q

Endocrine diseases w/ rheum manifestations

A

-DM
-Hyper/Hypo TSH, PTH
-Acromegaly
-Cushings
-Hyperlipoproteinemia

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2
Q

** MSK / Rheum complications in DM **

A
  • Charcot joint, diabetic osteolysis
  • Diabetic stiff hands (cheiroarthropathy) - prayer sign
  • Amyotrophy, Muscle infarction
  • Adhesive capsulitis
  • Calcific shoulder periarthritis
  • CRPS (shoulder hand syndrome)
  • Flexor tenosynovitis (trigger fingers)
  • Dupuytren’s contractures
  • CTS + Thenar atrophy
  • DISH
  • Septic joint / OM
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3
Q

** Diabetic cheiroarthropathy pathogenesis**

A
  • Excessive glycosylation of dermal and periarticular collagen
  • Decreased collagen degradation
  • Increased dermal hydration
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4
Q

** Diabetic cheiroarthropathy risk factors**

A

-DM duration,
-Glucose control
-Renal/retinal microvascular disease

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5
Q

** Charcot MSK manifestations**

A

-Midtarsal collapse → Rocker bottom feet
-Painless, swelling, deformity (tarsometatarsal, ankle, knee, hip, spine)
-Bony prominence skin ulcer, infxn

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6
Q

** Charcot radiographs **

A

5D’s:
- Destruction,
- Debris,
- Density (increased),
- Disorganization,
- Dislocation

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7
Q

** Charcot pathogenesis **

A
  • Sensoral neuropathy + repetitive microtrauma
  • Autonomic neuropathy → MORE blood flow

Both of which cause more inflammation, osteoclastic resorption, osteopenia, and #

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8
Q

** Charcot Tx **

A
  • Protected weight bearing,
  • Soft casts, good shoes,
  • Treat/Prevent skin ulcers
  • Neuropathic meds
  • Amputation as needed
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9
Q

Diabetic osteolysis
– what is it
– pathogen

A

Osteoporosis / Resorption of distal metatarsal bones and proximal phalanges +/- acroosteolysis
-Pathogenesis: unknown, ~to charcot

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10
Q

Diabetic amyotrophy manifestations
+what doesnt it have

A

-Muscle wasting, weakness AND SEVERE pain (proximal muscles: pelvis, thigh, paraspinal, shoulder girdle)
-Distal symmetric neuropathy, autonomic neuropathy

-NO diabetic retinopathy or nephropathy

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11
Q

Diabetic amyotrophy pathogenesis

A

Injury to peripheral nerves, nerve roots, lumbosacral plexus via:
-Ischemia
-Immune mediated microvasculitis
-Inflammation

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12
Q

Diabetic amyotrophy
– nerve bx findings
– muscle bx

A

Nerve: Inflammatory infiltrate of blood vessel
-Muscle: fiber atrophy w/o inflammation

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13
Q

Diabetic muscle infarction
– Manifestations
– Ix

A

Acute onset pain/swelling thigh or calves
-Elevated CPK
-MRI to r/o infxn, malignancy
-Excisional Biopsy

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14
Q

Dequervain’s tenosynovitis pathogenesis

A

-Microvascular disease affecting nerves & blood vessels
- Protein glycosylation
- ECM protein deposition in skin/ & periarticular structures

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15
Q

Dupuytren’s contracture pathogenesis

A

Microvascular ischemia → contractile myofibroblasts producing increased collagen

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16
Q

CTS physical exam tests

A

Tinel’s
-Phalen’s
-Durkan’s

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17
Q

CTS manifestations

A

Nocturnal paresthesias
-Hand pain
-Pain radiating to elbow/shoulder (Valleix phenomenon)
-Thenar atrophy

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18
Q

CTS pathogenesis

A

Neuropathy due to:
-Extrinsic compression
-Microvascular disease ischemia of vasa nervorum

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19
Q

SSc DM complication mimickers

A

Diabetic stiff hand (flexion contracture and indurated digits)
-Distal neuropathy ~ Raynaud’s
-Scleredema diabeticorum (thickened skin upper back/neck)

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20
Q

DM meds causing rheumatic manifestations

A

OP:
- Glitazone
- SGLT2 (-flozin)

Arthralgia/myalgia:
- DPP4i (-gliptins)

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21
Q

Hypothyroidism MSK manifestations

A

-Myxedematous arthropathy (noninflammatory; ++viscous 2/2 hyalronic acid)
-Reversible bone marrow edema (~AVN)
-CPPD

TRAP
-Tunnel (CTS)
-Raynauds
-Aching myalgia
-Proximal muscle weakness/stiffness with high CK

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22
Q

HYPERthyroid rheum syndromes

A

-OP
-Myopathy (painless prox muscle weakness)
-Thyroid acropachy
-Adhesive capsulitis (controversial)

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23
Q

Thyroid acropachy manifestations

A

Soft tissue hand swelling
-Metacarpal and Phalangeal: clubbing & PERIOSTITIS

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24
Q

Thyroid acropachy associated withwhich thyroid disease

A

Graves

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25
IIM vs Hypo/HyperThyroid -CK, Weakness, Biopsy 
IIM: CK up, Mild/severe, inflammation -Hypothyroid: CK up, mild, N -Hyperthyroid: **CK N**, mild, N
26
Thyroid meds causing rheum manifestations
PTU → sysetmic vasculitis or drug induced lupus -Methimazole → lupus like syndrome
27
Primary hyperPTH rheum syndromes
-Myopathy w/ NORMAL CK -Osteoporosis -CPPD -Soft tissue calcifications -Tendon ruptures  -Osteogenic synovitis from subchondral collapse → OA and reactive synovitis -Osteitis fibrosa cystica
28
** 5 peripheral radiographic signs of hyperparathyroid or Osteitis fibrosa cystica 2 axial and skull findings**
Peripheral - Chondrocalcinosis - Soft tissue calcification - Osteopenia, osteoporosis - Brown tumors (lytic lesions in hands) - Acro-osteolysis - Subperiosteal resorption and blurred cortical margins Axial - Sacroilliitis - Osteoid deposition at vertebral endplate  → sclerotic bands (**rugger jersey spine**) - Compression fracture Skull - Salt and pepper sign - lucencies caused by trabecular resorption
29
Knuckle knucle dimple knuckle sign -What disease 
Pseudohypoparathyroidism (PTH resistance) w/ skeleta deformity with a short 4th metacarpal 
30
Acromegaly Rheum manifesetations
MSK: -OA (knees, shoulders, hips, hands, C/L/S spine), crepitus -Vertebral fracture  -Prox muscle weakness (normal EMG/CK) -CTS -Raynaud’s -Rare chondrocal
31
Acromegaly pathogenesis
Excess GH (tumor, central) causes elevation of IGF1 that affect osteocytes, chondrocytes, and fibroblasts
32
** Acromegaly radiographic findings **
-Soft tissue thickening -Spade phalanx  -Skull thickening, enlarged sella turcica -Increased joint/disk space -Chondrocalcinosis -Periosteal apposition (diameter thickening) of tubular bones
33
Excessive GC rheum syndromes
-OP -AVN -Prox muscle weakness (normal EMG, CK, biopsy shows t2b muscle fiber atrophy) -Steroid withdrawal
34
Steroid withdrawal syndrome manifestations
Aka slocumb’s syndrome -Myalgias, Arthralgias  -Noninflammatory joint effusion -Lethargy  -Low grade fever 
35
Familial hyperlipoproteinemia types & associated MSK disorders
Type 1, 4, 5: gout  -Type 2, 3: tendinous xanthomas on digital extensor tendon & achilles tendon →  tendinitis; tuberous xanthoma over extensors ~RA nodules or tophi -Type 2: migratory inflamm arthritis ~rheumatic fever  (no cholesterol crystals) -Type 3: osseous xanthomas in long bones → #
36
Bloody synovial fluid: hemarthrosis vs traumatic tap  -How to use Hct
Hct ~ peripheral blood = Traumatic -Hct < peripheral blood = Hemarthrosis
37
** Hemarthrosis causes**
-Vascular: ateriovenous fistula, ruptured aneurysm -Heme: Hemophilia, VwD, Sickle Cell, Thrombocytopenia, myeloproliferative dz , hemoglobinopathy -Infxn: lyme, septic arthritis -Trauma: injury, fracture, post-surgical  -Autoimmune: Ehlers Danlos syndrome, Pseudoxanthoma elasticum,  -Metabolic: Scurvy, Charcot joint, Post dialysis, Gaucher’s disease -Meds: Excessive anticoagulation or thrombolytics -Inflammatory: Crystal disease (hydroxyapatite), Amyloid -Neoplasm: pigmented villonodular synovitis, tumor mets to joints, 2ndary tumor of synovium, hemangioma
38
Synovial fluid findings in fracture
- Fat globulesor cholesterol emboli - Direct visualization or - Oil red O staining 
39
INR cutoff for joint aspiration 
4.5
40
Hemarthrosis Tx 
-Therapeutic Tap+/- IA GC -Ice, compression -Analgesia -Reversal of supratherapeutic INR
41
Hemophilia Rheum problems
Acute hemarthrosis -Subacute → Chronic → end stage arthropathy -Intramusculaar or soft tissue hemorrahge -Subperiosteal hemorrhage → Pseudotumor -Septic arthritis
42
Hemarthrosis Tx in Hemophilia
Replace deficient factor to >30% (2% increase per unit/kg body weight) -Rest, Ice, Analgesia, Compression -IA GC -PTto prevent muscle atrophy and contracture
43
Risk factors for septic arthritis coexisting w/ hemarthrosis
-Focus for seeding: Arthroplasty, joint damage -Portal of entry: previous arthrocentesis, IVDU -Infection RF: Fever, leukocytosis, HIV -Persistent activity/pain despite factor replacement
44
Hemophilia acute radiographic findings
Soft tissue swelling,  -Effusion,  -Increased synovial density (iron deposition)
45
Hemophilia chronic radiographic findings
-Erosions -OA (cysts, osteophytes and sclerosis) -Wide intercondylar notch (femur/humerus) -Inferior patella flattening -Talar flattening
46
Chronic hemophilic arthropathy Tx 
Prevention: - Prophylactic factor 8 infusion (factor goal >5%) -Nonweightbearing periods for synovitis to regress -PT for joint stability and muscle strength -IA GC -NSAIDs (Cox2 specifici eg celecoxib) -Chemical synoviorthesis with rifampicin -Synovectomy (arthroscopic if chronic synovitis or radioisotope if factor inhibitor) -THA
47
Sickle Cell disease Rheum manifesetations
-Muscle infarct and focal necrosis, rhabdomyolysis  -Bone infarct (dactylitis, AVN) - can cause transudative noninflamm effusion -Hemarthrosis -Chronic synovitis -Hyperuricemia and gout -Septic arthritis, OM (Salmonella, S Aureus)
48
RF infection in sickle cell patient
-Functional asplenia (decreased bacterial clearance) -Neutrophil dysfunction at lower O2 tension -Decreased opsonization and IFNg production
49
SCD spine XR findings and pathogenesis
Lincoln log or H shaped appearance from epiphyseal infarction of vertebral body → endplate collapse - -Codfish vertebrae (central cup like indentation) from osteoporotic vertebrae weakness from marrow expansion
50
AVN femoral head Tx
Nonweightbearing to prevent collapse and allow revascularization -Ortho consult: core decompression of femoral head -Joint replacement
51
Hydroxyurea rheumatic mimics 
-Hand foot syndrome (Palmar plantar erythrodysethesia +/- blisters) mimics systemic vasculitis -Alopecia -DM like or SSc like sydromes -DM like rash
52
MDS autoimmune syndromes
- Vasculitis: PAN, LCV, GCA, uveitis, GN, pleuropericarditis -CTD: RP, SLE, Myositis -Inflamm polyarthritis: PMR, RA, Sjogrens, R3SPE - Positive antibodies (ANA, ANCA, RF, APLA, Cryo) -Neutrophilic disease: Sweet’s, pyoderma gangrenosum -Other: AIHA
53
MDS autoimmune syndrome pathogenesis 
Accelerated apoptosis of maturing hematopoeitc cells increasing cytokine production (IL6, TNFa, IFNg)
54
MDS autoimmune syndrome tx 
GC -DMARD (HCQ, MTX) -Biologics
55
Mechanisms of malignancy causing MSK sx
-Tumor invasion -Paraneoplastic -Treatment related -Malignancy 2/2 dz activity or immunosuppression
56
MC cancer causing bone mets
KTL PB -Kidney -Thyroid -Lung -Prostate -Breast
57
MSK features of leukemia and lymphoma
Polyarthralgia/arthritis -Bone pain (subperiosteal infiltration) -Hemarthrosis -Gout from chemothearpy -Septic arthritis 
58
XR findings leukemia/lymphoma
- Metaphyseal radiolucent band - Osteolytic lesions
59
Paraneoplastic syndromes assoc’d w/ malignancy
Myopathy -Arthropathy -Vascular -Cutaneous -Miscellaneous
60
Paraneoplastic myopathies assoc’d w/ malignancy: 
DM, PM, Lambert Eaton
61
Paraneoplastic arthropathies assoc’d w/ malignancy: 
-HPOA, -Amyloid, -2ndary gout, -Carcinomatous polyarthritis, -Atypical PMR -RS3PE
62
Paraneoplastic vascular manifestations assoc’d w/ malignancy: 
-PAN, -LCV, HSP,Cryo -Granulomatous vasculitis, -Digital necrosis, -Strokes
63
DERM manifestations assoc’d w/ malignancy
-Sweet’s, -Palmar fasciitis, -Scleroderma, -Paniculitis, -Erythromelalgia, -Multicentric reticulocytosis
64
Paraneoplastic miscellaneous manifestations assoc’d w/ malignancy
Septic arthritis, SLE-like syndrome APLA, Oncogenic osteomalacia, Sarcoid, Lymphomatoid granulomatosis
65
Atypical PMR features
-Poor steroid response -Asymmetric -ESR normal or VERY high -Adenopathy
66
RF Cancer in DM/PM
Older age DM/PM onset -Treatment resistant myositis -Pharyngeal / Diaphragmatic involvement -LCV -Amyopathic DM -DM with cutaneous necrosis -TIF1 or NXP2
67
**HPOA syndrome **
Clubbing fingers/toes -Periostitis of tubular bones -Arthritis (noninflamm synovial fluid) - -Localized form: hemiplegia, aneurysm, infective arteritis, patent ductus arteriosus
68
**HPOA causes**
Primary (genetic) -Cancer (GI, hepatic) -Chronic infections (lung, subacute IE, HIV) -Cystic fibrosis -Congenital cyanotic heart disease  -IBD -Cirrhosis -Graves -Voriconazole
69
HPOA pathogenesis
Hypoxemia increases circulating growth factors, platelet-derived growth factor (PDGF), VEGF, PGE2 causing: - Smooth muscle proliferation, - Angiogenesis - Collagen deposition. - Effect on osteoblasts and osteoclasts
70
HPOA Tx
Zoledronic acid 
71
Carcinomatous polyarthritis features
- Explosive onset -- Asymmetric oligo/poly -- Late age of onset -- Lower extremity predominant -- Spares wrist and small hand joints -- NO erosions, nodules, RF -- NORMAL XR 
72
Sweet’s syndrome features
--Abrupt onset raised/**painful papules/plaques** of face, neck, trunk, dorsum of hands -- Fever -- Peripheral neutrophylic leukocytosis -- Dense dermal **neutrophilic infiltrates w/o vasculitis** on biopsy
73
**Sweet syndrome causes**
-Infxn: GI/GU, HIV, TB, Viral Hep, Chamydia -Cancer: Heme> solid -Autoimmune: IBD, SLE, RA, RP, Sarcoid, Thyroid -Autoinflmmatory: VEXAS -Primary immunodeficiency -Pregnancy -Drugs: GCSF, antibiotics, AEDs, NSAIDs, Imuran, Diclofenac, hydralazine, antiHIV, clozapine, PTU, Lasix,
74
Ovarian carcinoma rheum syndromes
-SLE -like syndrome, +ANA -DM/PM -Sweet’s -Palmar fasciitis -Adhesive capsulitis -CTS -Fibro, CRPS
75
Palmar fasciitis syndrome features
-Painful symmetric digital contractures -Palmar fascia fibrosis (woody) -CRPS -Polyarthritis
76
Palmar fasciitis histology
-**Fibrosis** with increased fibroblast and mononuclear cells **-NO collagen deposition ** -IgG deposit in palmar fascia 
77
Palmar fasciitis Tx
Treat underlying tumor -Poor response to chemo, NSAID, GC
78
Shoulder hand syndrome sx
Shoulder pain with decreased ROM  -Hand puffiness and stiffness with vasomotor instability
79
CTD’s assoc’d with cancer (and risk factors)
-RA (dz duration/activity, Felty’s, immunosuppresion) -Sjogren (extraglandular: pupura, ulcers, adenopathy, splenomegaly, cryo) -SLE (adenopathy, splenomegaly) -Discoid SLE (plaques >20y) -DM/PM (older, skin ulcers, NXP2) -SSc (RNApol3, pulm fibrosis, barett’s metaplasia) -Eosinophilic fasciitis  (thrombocytopenia, aplastic anemia) -AAV (cyclo) -Paget’s
80
Nonbiologic DMARDs (and assoc’d cancer)
MTX (lymphoma) -Aza (NHL) -Cyclosporine (lymphoma, skin) -MMF (CNS lymphoma, skin) -Cyclo (lymphoma, bladder ca)
81
What rheum manifestations - Bleomycin - Gemcitabine
Bleomycin: Raynaud’s, SSc Gemcitabine: SSc like illness w/ critical digital ischemia
82
Taxanes  → what rheum manifestations
Arthralgias -Myalgias -Subacute cutaneous lupus
83
Interferon alpha  → what rheum manifestations
Arthralgias -SLE like syndrome -Positive autoantibodies -Autoimmune thyroid dz 
84
Immunotherapy mech of rheum symptoms
-ICI block CTLA4, PD1 PDL1, (negative signals on activated T cells) = increased autoreactive T cells and inflammatory cytokines (TNFa, IL-6/17)
85
**5 grades of ICIs**
1= asymptomatic or mild -2= limit iADL -3= limit ADL -4 = life threatening -5 = death
86
ICI Tx
Steroids -DMARDs: MTX, HCQ, SSZ -Anti TNF -Anti-IL6
87
**IRAE manifestations**
PsA -Vasculitis -PMR -Sjogrens -Myositis -GN -Sarcoid -Uveitis / Scleritis / Retinitis -Optic neuritis -DRESS  -Myocarditis / Pericarditis -Transverse myelitis
88
Rheum cause of Corneal melt**
RA (most common) Vasculitis ANCA vasculitis (GPA most common) PAN Relapsing polychondritis SLE Sjogren’s SSc (rare) GCA (very rare) IBD Sarcoidosis
89
Rheum cause of lens dislocation**
Marfan
90
Rheum cause of scleritis**
RA GPA RPC SLE, UCTD IBD, Seroneg, Poderma gangrenosum Sarcoid Behcet, Cogan TAK, GCA, PMR HUVS, Hep C related vasculiti
91
Rheum cause of sterile conjunctivitis**
-SS, -KD, -ReA -Vasculitis - RA - SLE
92
Rheum cause of anterior uveitis**
-Seronegative (PEAR) -Behcet -Sarcoid -KD -JIA, Kawasaki, TINU (tubulointerstitial nephritis & uveitis) - HUVUS - Cryo
93
Rheum and nonrheum cause of intermediate uveitis**
Behcet, Sarcoid, Pars Planitis (snowbanks/ snowballs) Non rheum: Multiple sclerosis, TB, HSV, Whipples,
94
Rheum and nonrheum cause of posterior uveitis**
Behcet, Sarcoid, SpA (PsA, IBD), SLE, VKHS (vogt koyanagi harada syndrome) Nonrheum: toxo, birdshot retinochoroidopathy, cancer related, histoplasmosis, syphilis, HSV, VZV, CMV
95
Rheum and nonrheum cause of panuveitis**
Behcet, Sarcoid, Blau syndrome, IBD Toxo, VKH, TB, HSV, Fungal
96
Rheum cause of retinal vasculitis**
Behcet, Sarcoid SLE APS RA AAV, GCA, Susac Nonrheum: CNS lymphoma, leukemia, toxo, TB, lyme, syphilis, HSV, VZV, cat scratch, CMV, HIV, Whipples, Pars planitis, birdshot
97
Rheum cause of orbital inflammation**
IgG4, Sarcoid, Behcet GPA, RA Thyroid assoc’d
98
** Peripheral nervous system manifestations in CTD**
-Length dependent sensory polyneuropathy -Mononeuritis multiplex -GBS/CIDP -Distal axonal polyneuropathy -Compression neuropathy
99
**Anti-Gu disease association**
GAVE -SSc -SLE -UCTD
100
**True/ False** -- FMF + AA Amyloid → erosive arthritis -- AL Myloid + MM → HF -- Ank spond + AA amyloid → Proteinuria -- Dialysis pt w/ B2 microglobulin amyloid → periarthritis, CTS, effusive arthropathy, erosive bone lesion
-F -T -T -T
101
**Which CTD with which ILD?** -UIP
UIP = RA >PM/DM, SSc, SS, SLE
102
**Which CTD with which ILD?** -LIP
SJ > RA
103
**Which CTD with which ILD?** -NSIP
SSc, DM/PM > SJ, MCTD, SLE, RA
104
**Which CTD with which ILD?** -BOOP/ COP
DM/PM, RA, SJ, SLE
105
**Which CTD with which ILD?** -AIP
AIP = SLE, DM/PM
106
** What is a scleroderma mimic associated with diabetes?**
- Diabetic Cheiroarthropathy - Scleredema diabeticorum
107
** Longstanding diabetic comes with hand weakness and paresthesia: -Name 3 possible diagnoses? -Name 2 investigations?**
Three diagnoses: 1. Carpal tunnel syndrome 2. Diabetic neuropathy (length dependent, so must already have symptoms in their feet) 3. Radiculopathy (if unilateral) 4. CRPS Two investigations: 1. NCS/EMG 2. Cspine imaging, if concerned for radiculopathy
108
** Charcot disease associated processes **
Anything that causes peripheral neuropathy - DM - EtOH neuropathy - Infection: Neurosyphylis, Leprosy - Trauma: Spinal cord injury - Cerebral palsy
109
** Physical exam maneuver will distinguish between neuropathic joint vs osteomyelitis **
- “Dependent Rubor test” - elevating foot REDUCES erythema in Charcot but NOT in infection - Probe to bone points to infection > Charcot - Ulcers >2cm more specific for osteomyelitis - Sausage Toe seen in OM - OM typically affects toes/forefoot (vs midfoot in Charcot)
110
** Imaging technique other than xray/CT/MRI to help make diagnosis between Charcot vs OM**
- WBC scan – negative for Charcot, positive for OM. - Bone scan – show uptake in both OM and Charcot. - MRI – features of OM and Charcot overlap on MRI. Sens 90%, Sepc 79%.
111
**DDX symmetric small joint arthropathy and liver dz**
Hemochromatosis Amyloid Celiac RA w/ NASH Hep B/C PBC, PSC
112
**Hemochromatosis: features of the arthropathy, findings on xray**
- Symmetric: hands, wrists, knees, hips - Lack of warmth/effusion unless CPPD - Chondrocalcinosis - Hook osteophytes on MCP2/3 >4/5 - OA: subchondral sclerosis/cysts, flattened metacarpal heads, uniform joint space loss - OP - Wrist involvement: degeneration between carpal bones and CMC joints, not at radiocarpal joint (as in CPPD)
113
**Hemochromatosis: extraarticular manifestations**
- Pituitary - infiltration causes **hypogonadism** - Skin: melanin deposition = bronzing - Porphyria cutanea tarda, - Heart: **Cardiomyopathy, CHF** - Liver: **cirrhosis**, hepatomegaly, elevated enzymes - Pancreas: Diabetes
114
**Hemochromatosis: workup**
CBC, PTH, Ca, PO4, Mg, renal function Iron studies Liver enzymes HFE C282Y if fam hx MRI/liver biopsy only if iron overload or diagnostic clarity
115
** What is pigmented villonodular synovitis PVNS**
- Benign neoplasm causing hypervascular and proliferative synovial/tendon sheath and **erosive** monoarthritis - MC: hands, wrists, knee, hip, ankle - Tx = synovectomy or radiation if refractory
116
** List 5 dermatological lesions that are associated with arthropathy. Outline the features of 1 of these **
LCV: RA, SLE, AAV, etc E nodosum: Behcet, IBD, sarcoid Pyoderma: RA, Behcet, SLE Lupus pernio: SLE Cutaneous SLE: SLE Psoriasis: PsA Keratoderma blenorrhagicum: ReA Dermatitis herpetiformis: Celiac
117
**List 5 common causes of Anterior Ischemic Optic Neuropathy (AION)**
Arteritic AION - GCA Non-arteritic AION (sudden, painless vision loss/blurring in one eye, usually upon waking 2/2 lower BP during sleep) - Anything reducing perfusion or increasing bloodflow resistance to optic nerve - HTN - OSA - Smoking - Hypercholesterolemia - Anemia - Chronic renal failure - Migraine
118
** CTS DDX**
PRAGMATIC. Pregnancy (20%) RA (any inflammatory arthritis) Acromegaly Glucose (diabetes) Mechanical (overuse, occupational) Amyloid Thyroid (myxedema) Infection (tuberculosis, fungal) Crystals (gout, pseudogout)
119
** What are the complications of uveitis?**
Blindness/vision loss Cataracts Glaucoma Choroidal neovascularization Cystoid macular edema Optic neuropathy Band Keratopathy (calcium deposition in the corneal epithelium) Posterior synechiae (adhesion of the iris to the lens which lies posterior to it)
120
** Name three infectious causes of uveitis**
HSV, CMV, EBV , VZV Lyme TB Bartonella Cat scratch
121
** List 3 clinical or laboratory features of uveitis seen in JIA, ankylosing spondylitis, psoriasis, and sarcoidosis **
JIA: asymptomatic uveitis, young female, ANA+ Ank spond: HLAB27+, recurrent course, sudden onset, unilateral but can alternate PsA: HLAB27+, can be bilateral posterior, or anterior Sarcoid: can be anterior, intermed, posterior, or panuveitis.
122
**What is synechiae? **
Adhesions that are formed between adjacent structures within the eye usually as a result of inflammation Affects aqueous movement causing pressure buildup posteriorly and angle closure glaucoma
123
Basic exam elements for red eye
Visual acuity External structure evaluation: swelling, blepharitis, en/extropion, proptosis, lacrimal gland enlargement palpebral/bulbar conjunctiva Ciliary flush (in uveitis, keratitis, acute angle closure glaucoma) Pupillary size/shape/light response Fundoscopy for retinal ischemia or vessel abnormality
124
Episcleritis vs scleritis
Episcleritis - erythema/discomfort WITHOUT significant pain (good prognosis) - Brighter red that resolves w/ phenylephrine Scleritis - severe persistent pain, erythema, photophobia, tearing, decreased visual acuity -Can hv blue/purple hue -Avascular areas can suggest scleromalacia perforans
125
Scleritis subtypes
Diffuse - most benign; Nodular - tender nodule (dark red) -Necrotizing - destructive l eg scleromalacia perforans (scleral necrosis/thinning WITHOUT pain/redness) -Posterior - no redness (hard to dx), and minimal visual change or pain
126
Episcleritis autoimmune diseases
RA IBD Vasculitis SLE Other
127
Scleritis autoimmune diseases
RA GPA RPC SLE, UCTD IBD, Seroneg, Pyoderma gangrenosum Sarcoid Behcet, Cogan TAK, GCA, PMR HUVS, Hep C
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Nonrheum cause episcleritis or scleritis
HSV Aspergillus TB Lyme Syphilis Pseudomonas Bisphophonates Trauma Cancer
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Episcleritis tx
Cold compress and lube Topical or PO NSAIDs Topical or PO GCs
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Scleritis Tx
PO NSAIDs - for nonnecrotizing anterior GC if refractory MTX, AZA, MMF, CNI, CYC , TNF, Ritux
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Diff between Anterior vs Intermed vs Posterior uveitis
Pain and photophobia in anterior, not in others Others have blurred vision, floaters,
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Causes that present with any form of uveitis
Behcet Sarcoid Lyme Syphilis HSV
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Uveitis presentation in Seroneg
Ank Spond and ReA = SUDDEN onset, unilateral PsA and IBD = insidious bilateral chronic
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Uveitis presentation JIA
ASYMPTOMATIC, NORMAL appearing eye
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Uveitis rheum causes and their onset / laterality HLAB27 PsA JIA Sarcoid Behcet
HLAB27: SUDDEN, UNIlateral PsA: insidious, BILATERAL JIA: insidious, BILATERAL Sarcoid: SUDDEN, BILATERAL Behcet: SUDDEN, BILATERAL
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Uveitis Tx
Anterior: topical GC (PO if needed), mydriatic/cycloplegic agents if pain Uveitis in any segment: periocular/ intravitreal /PO GC, MTX, AZA, MMF, LFN, CNI, CYC, TNF (NOT etanercept), Ritux
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Retinal vasculitis presentation
Bilateral Painless blurred vision, Scotomata, Floaters Difficulty perceiving colors Straight lines appear wavy
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Retinal vasculitis Tx
GC for all (even infectious causes + abx) Aza, CYC, MMF, TNF, Ritux
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Susac features
Triad: Encephalopathy (involves corpus callosum) Branch retinal artery occlusion Sensorineural hearing loss Irreversible vision/hearing loss
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Susac Tx
Pulse steroids then 1mg/kg for 2-4wks +/- IVIG, PLEX MMF, CYC, AZA, CNI, Ritux
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Orbital inflamm disease rheum causes
GPA Sarcoid IgG4RD RA, Sjogren’s IBD Behcet SLE, AOSD Amyloid Histiocytic disorders Nonrheum: thyroid, cancer, idiopathic
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Orbital inflamm disease presentation
Pain Orbital swelling Diplplia Chemosis Proptosis
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Orbital inflamm disease tx
Treat underlying
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Immune mediated inner ear disease (IMIED) presentation vs Idiopathic sudden SNHL vs Menieres
IMIED: Rapidly progressive BILATERAL irreversible SNHL with vestibular sx (vertigo, tinnitus, aural fullness) Idiopathic: unilateral and NOT assoc’d w/ vestibular symptoms. Fails Weberm and humming localizes to good ear Meniere’s happens over years (vs weeks/months in IMIED)
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IMIED Tx
GC 1mg/kg x2-4wks Quick taper if no response, slower taper over 2-3mo if response at repeat hearing test Cochlear implants
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Conditions can cause acro-osteolysis?
SSc PsA JIA Sarcoid HyperPTH