image based Q. 140 - Attachment

Q.    Which one of these is attached to crista supinatoris?

a. Supinator edge
b. Part of annular ligament
c. Lateral ulnar collateral ligament
d. Biceps Lacertus fibrosus
e. Radial collateral ligament

Answer -
c
The crista supinatoris is area over proximal ulna lateral aspect where lateral ulnar collateral ligament (LUCL) is attached.
LUCL is important stabilizer of elbow joint.

image based Q. 139 - Fault in the stars

Q.    A discrete soft tissue swelling over forearm of a young man was diagnosed elsewhere and was treated conservatively. He did CT scan of head for headache and 'starry sky pattern was noted . Which of these is best possibility?


a. Neurosarcoidosis
b. Milliary tuberculosis
c. Neurocysticercosis
d. Benign calcification
e. Multiple sclerosis

Answer -
c

The presence of forearm soft tissue swelling and involvement of head may be feature of disseminated neurocysticercosis as these can be found in both sites.

As these were managed conservatively with medicines probably for neurocysticercosis.

'Starry sky' pattern in head contrast CT (CECT) is found in this disorder with multiple white pocks, multiple hyperdensities and calcific foci.

 The gadolinium enhanced MRI of brain of the lesion shows intracystic nodules some of them with head of larva as eccentric spots as 'hole- with-dot' appearance.

image based Q. 138 - Tug of war

Q.   Tug lesion refers to which of these?
a. Cortical desmoid
b. Bone island
c. Bone infarction
d. Marrow conversion

Answer -
a

Irregularities over distal femur posteriorly on medial condyle may be due to cortical desmoid (or periosteal desmoid). Thus is supposed to result from repetitive strain of adductor magnus aponeurosis.