HIV positive patient with bilateral osteonecrosis of the femoral head, a case report.

Introduction And Importance: Avascular necrosis (AVN), also known as osteonecrosis, refers to the death of bone tissue due to the lack of blood supply. Osteonecrosis in HIV can be a complication of the ART's or the disease itself.

Clinical Presentation: 47 years old male, HIV positive for 10 years on Antiretroviral-therapy had gradual onset of bilateral hip pain for 6 months, progressively and sharp in nature, aggravated by movement and relieved by resting with reduced range of movement, wheel chair dependent 2 months.

Thoracolumbar junction translation injury in a patient with ankylosing spondylitis, a case report.

Introduction: The thoracic spine is stable because of kyphotic alignment, rib cage, and costovertebral joints. Any compression or kyphosis in the thoracic spine always causes spinal cord injury.

Clinical Case: A 47-year-old male with complaints of back pain 1 day prior to admission, after he sustained a motorbike crush and landed on his back.

Invasive sclerosing epitheloid fibrosarcoma in the lumbar spine- A rare case report.

Introduction And Importance: Sclerosing epitheloid fibrosarcoma is a rare variant of low grade sarcoma with specific histologic and immunohistochemical features, and often associated with a poor prognosis.

Clinical Presentation: We report a case of a 35-year old male who presented with 2 year history of lower back pain, radiating to both lower limbs, weakness to both lower limbs and weight loss more than 5kgs in the past 6 months, no past history of trauma, drenching night sweats, no TB contact history, no incontinence and no any comorbidities. He reported no history of alcohol intake or cigarette smoking, no history of exposure to radiations or similar presentation to his family and no features suggestive of metastasis.