Spot cases 2019 Part 2

Question 1

Answer 1

Adamantinoma–tibia(cystic + extensive soft tissue components + fluid-haemorrhagiclayering)
# DD: (for Fluid-fluid level):
*Telagiectaticosteosarcoma(less diaphyseal, more bone destruction).
*ABC & Simple bone cyst & GCT: (NOsoft tissue components).

Question 2

Answer 2

Agenesis of Corpus Callosum

Question 3

Answer 3

AnaplasticAstrocytoma

Question 4

Answer 4

Asbestos-Related Pleural Dz.[plaques en face (white arrows) and in profile (black arrows)]

Question 5

Answer 5

Astrocytoma

Question 6

Answer 6

Hyperparathyroidism Brown tumour(lyticexpansilemulti-septatedmass right maxillary sinus)
#DD Giant cell tumour

Question 7

Answer 7

Cavernoma-Angioma(hemosiderinrim)

Question 8

Answer 8

ChiariI malformation

Question 9

Answer 9

Chronic Anaemia(egThalassemia)(diffusely osteopenic, with expansion of the medullaryspaces & cortical thinning)

Question 10

Answer 10

Cod-fish vertebra(or simply just fish vertebra)( Biconcave like fish vertebrae)# seen in :Osteoporosis,Hyperparathyroidism,sickle cell Dz

Question 11

Answer 11

Hyper-parathyroidismdiffuse marked Osteoclerosis( more with 2ry hyperpara. egdtrenal osteodystrophythan with 1ry hyperparathyroidism)

Question 12

Answer 12

Emphysematous Bullae

Question 13

Answer 13

Eosinophilicgranulomaof lung(LangerhansHistiocytosis)

Question 14

Answer 14

EpiphrenicOesophagealDiverticulum

Question 15

Answer 15

Extra-medullaryHematopoeisis(paravertebralmass with or without fat signal)

Question 16

Answer 16

Gastric cancer(Rough contour and narrowing of lumen)

Question 17

Answer 17

Gastric cancer(Rough contour and narrowing of lumen)

Question 18

Answer 18

GnathicOsteosarcoma(Lt maxillary fullness, pterygoidplate involvement and mandibulardestruction + sunburst appearance of periostealreaction + soft tissue swelling)

Question 19

Answer 19

Gout-Olecranonbursitis

Question 20

Answer 20

Hair-on-end appearancein chronic anaemia

Question 21

Answer 21

Hair-on-end appearancein chronic anaemia

Question 22

Answer 22

Hyperparathyroidism(Subperisotealbone resorption+ brown tumours(lyticexpansile) + osteosclerosis+ prominent trabeculae(the remaining after resorptionappear more prominent)

Question 23

Answer 23

Hyperparathyroidism(Brown tumour+ pathological fracture) in humerusof an obese patient

Question 24

Answer 24

Hyperparathyroidism(Brown tumours+ Subperiostealreactions)

Question 25

Answer 25

Hyperparathyroidism

Question 26

Answer 26

Hyperparathyroidism(A)lyticexpansilebrown tumourin 3rd metacarpal.(B) After parathyroidectomy, remineralizationof the brown tumour.

Question 27

Answer 27

Hyperparathyroidism

Question 28

Answer 28

Hypo-Parathyroidism(calcifications at basal ganglia -cerebellum-periventricularWM)

Question 29

Answer 29

Left Common iliac aneurysm(true, uncomplicated)

Question 30

Answer 30

Left posteriorSterno-ClavicularDislocation

Question 31

Answer 31

Leriche Syndrome(complete occlusion of infrarenalaorta (red arrows) by thrombus extending into both CIAs (yellow) + calcifications (white)

Question 32

Answer 32

Lymph-angio-leio-myomatosis

Question 33

Answer 33

Medulloblastoma

Question 34

Answer 34

Multiple Myeloma(in skeletal survey)

Question 35

Answer 35

Multiple myeloma with expansilerib lesions

Question 36

Answer 36

Osteitisfibrosacystica(of hyperparathyroidism)(extensive ostelyticlesion) + pathological fracture

Question 37

Answer 37

Osteochondritisdissecans(BM edema & osteochondraldefect)X-Ray & T1 & STIR

Question 38

Answer 38

Osteopetrosis* May be adult form (not always a child)*if early >> looks like Roger-jersey of spine.

Question 39

Answer 39

Osteopetrosis* May be adult form (not always a child)*if early >> looks like Roger-jersey of spine.

Question 40

Answer 40

Osteosarcomaof fibula(sunburst periostealreaction with an ill-defined aggressive lesion)

Question 41

Answer 41

Osteosarcomaof tibia[ wide zone of transition,osteoidmatrix,periostealelevation (Codman’s Triangle) &Sunburst periost. reaction ]

Question 41

Answer 41

Pancoasttumour[aka Superior sulcustumour](ltapical focal mass + destruction of 1st and 2nd ribs and ipsilateral1st-3rd vert.transverseprocesses)

Question 42

Answer 42

Plasmacytomaof rib(NB: as solitary don’t say multiple myeloma)

Question 43

Answer 43

Porencephaliccyst

Question 44

Answer 44

Psoriatic Arthritis(pencil-in-a-cup deformity of both thumbs & erosion of DIP joint of left middle finger )

Question 45

Answer 45

Ricketslong standing (neglected) with bowing

Question 46

Answer 46

Rickets(metaphysealsplaying, cupping and fraying + generalized osteopaenia)

Question 47

Answer 47

Rugger-jersey spine(Renal osteodystrophy)

Question 48

Answer 48

Rugger-jersey spine(Renal osteodystrophy)

Question 49

Answer 49

Rugger-jersey spine(Renal osteodystrophy)

Question 50

Answer 50

Rugger-jersey spine(Renal osteodystrophy)

Question 51

Answer 51

Sickle Cell Anemia(multiple bone infarctions)

Question 52

Answer 52

Sickle Cell Anemia(multiple bone infarctions)

Question 53

Answer 53

Sickle Cell Anemia(multiple bone infarctions)

Question 54

Answer 54

Sickle Cell Anemia(multiple bone infarctions)

Question 55

Answer 55

Sickle cell Dz(bilateral sickle cell dactylitis)(soft tissue swellings+metatarsal & phalangealexpansion +multiple osteopenicpatches)

Question 56

Answer 56

Sliding hiatalhernia(white arrow)+Schatzki(B)ring (red)+Disordered tertiary contractions (green)

Question 57

Answer 57

Sub-ependymalGM heterotopia

Question 58

Answer 58

Thymo-lipoma

Question 59

Answer 59

Abdominal Aortic AneurysmTrue, Uncomplicated, infra-renal(asks about classifications)

Question 60

Answer 60

Tuberous Sclerosis

Question 60

Answer 60

Unilateral (Right) closed-lip schizencephaly

Question 61

Answer 61

Vein of Galen Malformation

Question 62

Answer 62

Zenker's oesophageal Diverticulum