Do Post-debridement Cultures have a Role in Reduction of Infection in Open Fractures? Report of 166 Cases and Literature Review.

Objective: To evaluate the role of post-debridement cultures in the prevention of future infection following open fractures.

Design: Retrospective Cohort Study and Literature Review.

Setting: Division of Orthopaedic Surgery, Sultan Qaboos University Hospital, Academic and tertiary health care, Muscat, Oman.

Short and long-term immune changes in different severity groups of COVID-19 disease.

Background: There are limited data on short- versus long-term changes in adaptive immune response across different COVID-19 disease severity groups.

Methods: A multicenter prospective study of 140 adult patients with COVID-19 (a total of 325 samples) were analyzed for inflammatory markers and lymphocyte subsets at presentation, week 2, and week 24.

Results: Inflammatory markers at presentation were higher in the critical/severe than in moderate and mild groups.

Balancing risk in a patient with primary bone histiocytic sarcoma during pregnancy: Case report and review of the literature.

Introduction And Importance: Histiocytic sarcoma (HS) is a rare, aggressive malignant neoplasm of hematopoietic cell origin. Primary HS of the proximal humerus, without involvement of lymph nodes or bone marrow, or systemic features, is very rare.

Case Presentation: We report a rare case of primary bony HS of the proximal humerus without bone marrow involvement in a healthy 33-year-old pregnant woman.