قسم الـعملي || LAB الدفعة السابعة |USF|

Osteoblastoma 👆

Osteoblastoma

Q/ Which of the following is most likely the correct diagnosis? A. Aneurysmal bone cyst B. Giant cell tumor of bone C. Osteoblastoma D. Osteoid osteoma E. Osteosarcoma

Osteoid osteoma 👆

Osteoid osteoma

Q/ Provided H&E picture belongs to a well defined intracortical lesion of distal tibia of a 17 year old boy. Symptoms include nocturnal pain that is relieved by ibuprofen. What is the correct diagnosis? A. Aneurysmal bone cyst B. Giant cell tumor of bone C. Osteoid osteoma D. Osteomyelitis

Osteoma 👆

Osteoma

Q1: A 40 year old woman seeks treatment for a slowly enlarging lesion over the left forehead. The mass is found to involve the external surface of the left frontal skull and is excised. The histology is shown above. What is the diagnosis? A. Osteoblastoma B. Osteochondroma C. Osteoid osteoma D. Osteoma. E. Parosteal osteosarcoma Q2: Which of the following is a feature of osteoma? A. Atypia has to be present to make the diagnosis B. Involves mainly the long bones C. Most frequent architecture is cortical type bone. D. Most frequent architecture is trabecular bone E. Typically does not involve the craniofacial skeleton

👆👆👆👆 هولاء الملزمة الأولى

Tuberculous osteomyelitis 👆

Tuberculous osteomyelitis

Tuberculous osteomyelitis

Tuberculous osteomyelitis

Chronic osteomyelitis👆

Chronic osteomyelitis

Chronic osteomyelitis

Chronic osteomyelitis

Chronic osteomyelitis

A 25 year old man presented with pain around the knee joint. Xray studies were suggestive of a neoplastic lesion. The lesion was biopsied (image above) and it shows which of the following histologies? A. Chronic osteomyelitis B. Diffuse large B cell lymphoma C. Ewing sarcoma D. Metastatic carcinoma E. Plasma cell neoplasm The most common pathogen in chronic osteomyelitis is A. Escherichia coli B. Klebsiella pneumonia C. Mycobacterium tuberculous D. Staphylococcus aureus E. Staphylococcus epidermidis