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Flashcards in Histopath Deck (48):
1

codmans triangle

osteosarcoma

2

t(11:22)

ewings sarcoma

3

cotton wool calcification

enchondroma

4

soap bubble appearance

giant cell

5

CD99+

ewings sarcoma

6

shepherds crook deformity

fibrous dysplasia

7

chinese letters

misshapen bone trabeculae - fibrous dysplasia

8

onion skinning of periosteum

ewings sarcoma

9

malignant bone tumour >40 years

chondrosarcoma

10

sunburst appearance

osteosarcoma

11

brown tumour

hyperparathyroidism (osteitis fibrosa cystica)

12

loosers zones

pseudo fractures = osteomalacia

13

radiolucency with sclerotic rim on xray

osteoid osteoma

14

Olloers syndrome

multiple endrochondromas

15

maffuci's syndrome

multiple endrochondromas + haemangiomas

16

tumour in hands/feet

endrochondrome - pain and swelling
(benign tumours of CARTILAGE)

17

(McCune-)Albright syndrome

Fibrous dysplasia (bone replaced by fibrous tissue)
+
endocrine symptoms: cafe au lair spots, precocious puberty etc

18

cartilage capped boney outgrowth from bone

osteochondroma
(most common benign bone tumour)

19

type of bone responsible for calcium metabolism

cancellous

20

pathological/immature bone

woven

21

type of bone responsible for support and protection

cortical (80%)

22

cradle cap

seborrhoeic dermatitis (yellow scales = yeast)

23

Auspitz sign

pin point bleeding - psoriasis

24

test tubes in a rack

clubbing of tete ridges = psoriasis

25

saw toothing of tete ridges

lichen planus

26

lacy appearance of mucous membranes

lichen planus

27

erythema multiforme

annular target lesions - hands and feet
Causes:
infection (HSV, mycoplasma, fungi)
drugs (penicillin, salicylates, anti-malarials, phenytoin)

28

nikolsky (-)

pemphigoid

29

nikolsky (+)

pemphigus

30

sandpaper like scaly lesions

actinic keratosis

31

bowens disease

flat red scaly patches = squamous cell carcinoma in situ

32

dome shaped nodule, necrotic crusted centre, clears spontaneously after a few weeks

keratoacanthoma

33

rodent ulcer

BCC

34

salmon pink rash

pityriasis rosea

35

rash in christmas tree distribution

pityriasis rosea

36

fifth disease

parvovirus b19 = slapped cheek syndrome

37

sixth disease

roseola infantum aka exanthema subitum = HHV-6

38

kawasaki

red mouth
eyes
LN
heart
rash on hands and feet
5 days

39

buergers

smoking
corkscrew appearance on angiogram
ulceration of feet and fingers

40

gottron papules

violet scaley plaques over hand joints - polymyositis + dermatomyositis

41

anti-Jo1

polymyositis + dermatomyositis

42

LE bodies

SLE

43

HLA DR3

SLE

44

HLA DR5 +DRw8

limited/diffuse scleroderma

45

churg straus

pANCA
asthma
eosinophilia

46

haemodialysis ass amyloidosis

deposition of beta 2 microglobulin

47

secondary amyloidosis

AA amyloidosis
secondary to chronic infections/inflammation

48

primary amyloidosis

AL amyloidosis
ass with multiple myeloma/plasma cell dyscrasias