2b

Question 1

What does abdominal TB look like

Answer 1

Aysemmetrical thinking of the medial wall of the caecum and thickening of the terminal ileum.
Low density mesenteric nodes

Question 2

Causes of terminal ileum thickening?

Answer 2

Chrons disease
Abdominal TB
Lymphoma
Terminal ielitis - yersina

Question 3

Complications of Chrons

Answer 3

Fissures, fistulae, perirectal abcess

Question 4

Complications of Crohn’s

Answer 4

Erythema nodosum
A vascular necrosis secondary to steroid use
Gallstones
PSC
Cholangiocarcinoma
Sacroilities
Synovitis

Question 5

Causes of pancreatic calcification

Answer 5

Chronic calcification pancreatitis - alcohol
Tropical calcification pancreatitis - idiopathic pancreatitis seen in the tropics
Hyperparathyroidism
Hereditary pancreatitis
Diabetes

You dont see it in pancreatitis secondary to gallstones

Question 6

Causes of renal papillary necrosis

Answer 6

Diabetes
Pyelonephritis
Sickle cell anaemia
Renal TB
Renal vein thrombosis

Question 7

What does ewings sarcoma family of tumours include?

Answer 7

Ewings sarcoma of the bone
Ewings sarcoma of the chest wall - Askin tumour
Primitive neuroectodermal tumour - PNET kidney or pancreas.

Question 8

T1 bright adenxal lesions on MRI

Answer 8

Endometrioma - shading sign on T2, with T2 dark spot
Desmoid - will loose signal on T1FS
Haemorrhagic cyst - may show specks of T1 bright and dark due to different blood products

Question 9

Pemeative bone lesions

Answer 9

Primary bone lymphoma
Infection - Osteomyelitis
Metastatsis
Primary bone neoplasms - Ewings sarcoma,a osteosarcoma, myeloma

Question 10

Medulloblastoma associated syndromes

Answer 10

Gorlin syndrome - BCC, jaw cysts, palmar pits
Turcot syndrome - colorectal polyps, brain tumours
FAP is more associated with medulloblastoma

Question 11

What brain tumour is more associated with HNPCC (Hereditary non polyposis colorectal cancer)

Answer 11

glioblastoma

Question 12

Risk factors for carotid artery dissection

Answer 12

Marfans
Ehrlas Danlos disease
Fibrmucscular dysplasia
alpha 1 antitrypsin
Hyperhomocsteinaemia

Question 13

Treatment for stroke secondary to carotid artery dissection

Answer 13

LMWH or Antiplatles or heparin
Not thrombolysis

Question 14

Causes of osteonecrosis of the femoral epiphysis

Answer 14

Perthes - idiopathic
Haemaglobinopathies - Sickle cell, thalaseemia
trauma
Metabolic - Renal disease, steroids
Post surgical
Storage disease - gauchers

Question 15

Causes of PRES

Answer 15

Hypertension
Pre-eclampsia
Drugs - treatment for RCC IG
Severe hypercalcaemia
SLE / HUS
Severe sepsis
Renal disease

Question 16

What do people with klinbock disease have ?

Answer 16

• lunate osteonecrosis
  Up to 75% of people have negative ulna variance