Pseudotumor of the Omentum Presenting as a Surgical Emergency

Brian D. Blackbourne, MD; Charles E. Piper Jr., MD; Delbert R. Dickson, MD
JAMA. 1965;192(9):784-785. doi:10.1001/jama.1965.03080220048021.
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THE CASE to be reported concerns a nonneoplastic tumor of the omentum which we have designated as a pseudotumor (benign pseudoneoplasm); Ackerman's1 classification of omental tumors does not refer to this type of tumor.

Report of a Case 

History.—  A 28-year-old Negro university student was admitted to the Cottage Hospital on June 4, 1964, giving a 24-hour history of abdominal pain localizing in the right lower quadrant. This was associated with nausea and vomiting. He had a somewhat similar episode three months previously which had subsided spontaneously in 48 hours. His only previous illness was prostatitis in 1960.

Physical Examination.—  The patient's temperature was 99.4 F (37 C); abdominal tenderness was most marked over McBurney's point. Guarding and rebound were present in the same area.

Laboratory Studies.—  White blood cell count was 11,900/ cu mm with 1% young neutrophils, 84% segmented neutrophils, 9% lymphocytes, and 6% monocytes. Urine was


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