Obstructive sleep apnea, intermittent hypoxemia and prothrombotic biomarkers.

Objective: To study the serum levels of fibrinogen and d-dimer in patients with obstructive sleep apnea (OSA) and its correlation with apnea hypopnea index (AHI), oxygen desaturation index (ODI), minimal oxygen saturation and arousal index.

Methods: It was a case control study in which 23 cases of OSA and 23 controls were enrolled. Morning fasting serum fibrinogen and d-dimer were measured in cases of OSA and controls.

Primary ewings sarcoma of the lung.

Extraosseous ewings sarcoma is an extremely rare neuroectodermal tumour. We report the case of a 30-year-old female who presented with right sided pulmonary mass. Radiology, histopathology and immunohistochemistry confirmed the diagnosis of primary pulmonary Ewings sarcoma.