Masterpass Module 5 Paper 3 Flashcards
Blueberry Muffin syndrome
Neuroblastoma with multiple metastatic skin lesions, appearing as blueish nodules
Trisomy 18 features
Dysmorphic features,
Overlapping 2nd and 3rd digits,
Congenital heart and CNS
TS classic triad
Facial angiofibromas,
Delayed development,
Epileptic seizures
Choledochal cyst
Intermittent obstructive jaundice and colicky RUQ pain.
US: Fusiform cyst beneath the porta hepatis, separate from GB
Adrenocortical carcinoma
Clinically: Precocious puberty
US: Hypoechoic mass arising from adrenal
Subacute testicular torsion US
1-10 days post onset.
Enlarged testis, increased peritesticular flow, absent parenchymal flow
Ataxia telangectasia
Telangectasias, cerebellar ataxia, resp infections and cerebral infarcts due to pulmonary AVMs.
Involves cerebellum unlike Friedrich Ataxia which spares it
Indication for DMSA post infection
Can measure split renal function.
Can look for scarring
False positives for Meckel’s scan
Enteric duplication cysts (with gastric mucosa),
Intussusception,
SBO,
Bowel inflammation,
Laxitive/enema use,
Peptic ulcer,
Pooling in GU tract
False negatives for Meckel’s scan
Prior barium study or pertechnate use
GI bleeding
Chondromyxoid fibroma
Benign cartilaginous lesion, found in metaphysis of long bones, commonly proximal tibia.
Well defined sclerotic margin, contains trabeculations, no periosteal reaction
Hodgkin Lymphoma staging
Stage 1: One group of nodes
Stage 2: 2 or more groups of nodes on one side of diaphragm
Stage 3: Lymph nodes on both sides of diaphragm +/- spleen
Stage 4: Beyond lymph nodes, e.g. liver, bone, lung
A: No systemic symptoms
B: Weight loss>10%, night sweats or fever
Posterior fossa pilocytic astrocytoma - MRI
High T2 with multiple cystic spaces, low signal rim
?NAI, single fracture on skeletal survey, next Ix
Bone scintigraphy
Wilson’s disease
Kaiser-Fleischer rings are diagnostic.
Normal liver attenuation with nodularity and portal HTN
Congenital lobar emphysema
Usually neonates. LUL > RML> RUL.
Initially opacification followed by lucency on CXR
Hypersegmented manubrium and 11 pairs of ribs
Downs
Rhabdomyosarcoma of biliary tract
Jaundice, weight loss, malaise.
Commonest biliary tract tumours in children.
Heterogenous mass causing duct dilatation.
