20230505 Quiz Tumours

Where is the most common site of occurrence of a ganglion cyst?

• Dorsal DIPJ of finger

• Volar PIPJ of finger

• Dorsal carpal wrist

• Volar carpal wrist

• First extensor compartment

Which is NOT a component of ganglion cyst content?

• Albumin

• Globulin

• Hyaluronic acid

• Collagen

• Glucosamine

A 39 years-old patient presented with a left thumb mass at IPJ region for 8 months. The patient denies any pain but is bothered by the appearance and limited ROM. The patient opts to undergo surgical excision. Figure A shows a clinical picture of the patient’s left thumb. Figure B,C and D depicts axial T1,T2 and T1 with contrast MRI sequences of the thumb, respectively. Figure E depicts the histology of the lesion at the time of marginal excision. What is the next appropriate step?

• Ray resection

• Initiate chemotherapy

• Routine follow-up

• Return to OR for wide tumor bed resection

• Radiation of the tumor bed

Which of the following IS/ARE the criteria of a malignant tumor?

I. Skin ulceration

II. Presence of contact bleeding

III. Slow growing mass

IV. Regional lymph nodes involvement

V. Bone erosion

• I and V

• II, III and V

• I, II, IV and V

• II and IV

• All of the above

A 40-year-old man presents with a 6-year history of forearm mass and episodic, sharp forearm pain. MRI scans are seen in Figures A and B. What is the most likely diagnosis?

• Soft tissue sarcoma

• Soft tissue metastasis

• Hematoma

• Abscess

• Nerve sheath tumour