Tumor Module

When performing an open incisional biopsy of a musculoskeletal neoplasm, which of the following principles does not apply?

• Dissection through intermuscular planes should be avoided

• A torniquet should not be used

• The incision should be placed longitudinally and in line with the intended future resection

• Hemostasis should be maintained

Most common benign tumor of hand is

• Giant cell tumor

• Osteochondroma

• Enchondroma

• Aneurysmal Bone Cyst

12 years girl, presented in OPD with history of fall from bed, complaining of pain in right leg. On examination right proximal leg is mild swellen and tender. Xray showed here. What is the next best step in the treatment of her pain?

• CT Scan right leg

• Incisional biopsy

• Extended curattage and grafting

• Manage conservatively i.e. analgesics, rest and observation.

A 14 years boy presents with 6 months of knee pain and swelling. Radiograph and MRI are shown here. Biopsy showed chondroblats arranged in a cobblestone pattern. What is the most likely diagnosis?

• Chondrosarcoma

• Giant cell tumor

• UBC

• Malignant fibrous histocytoma

• Chondroblatoma

You are asked to consult on a 8 years child in the emergency department with the pathological fracture shown here. In preparation for transfer to a sarcoma center for treatment , all of the following are correct steps in the child's management EXCEPT?

• Pain Management

• Hanging arm sling

• Tumor staging including bone scan, CT of chest, MRI of entire bone

• Consultation with pediatric oncology

• Tumor biopsy performed by interventional radiologist

A 78 years old male with known metastatic renal cell carcinoma who presented in OPD with severe left arm pain and dificulty in lifting objects. His radiograph is shown here. What is the patient's Mirels score?

• 7

• 9

• 10

• 12

A 8 years boy presents with knee pain and an effusion. Biopsy and staging show a distal femoral osteosarcoma with contamination of the knee joint. Which of the following treatment options will provide this child with the best chance of local control and the highest level of function?

• Through knee amputation

• Above knee Amputation

• Rotationplasty

• Extrarticular resection, endoprosthetic reconstruction and free flap coverage

Which of the following factors portends the worst prognosis in a patient with an osteosarcoma of the distal femur?

• Age

• Size

• Location in proximal femur

• Skip metastasis

25 years male presented in OPD with complain of pain in rigth leg for last two months. there is no history of trauma, fever. Pain increase with activity, worse at night and relieved by NSAID. Xray showed here. What will be your next step in management?

• Do MRI right leg with contrast

• Do CT scan right leg

• Incisional biopsy

• Surgical resection

All of the following locations are common sites for Giant cell tumor of bone to occur Except

• Posterior elements of spine

• Distal femur

• Sacrum

• Distal radius