- A dictionary of medical eponyms

Sampson's cyst

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Cystic endometriosis of the ovary. A dark cyst with syrupy or chocolate like contents made of a collection and hemosiderin, which occurs after local haemorrhage, such as that following mastectomy, or in the ovary in ovarian endometriosis. Endometriosis was first reported by William Wood Russell (1866-1923). Sampson published 21 papers on endometriosis.


  • W. W. Russell:
    Aberrant portions of the Mullerian duct found in an ovary.
    The Johns Hopkins Hospital Bulletin, 1899, 10: 8-10.
  • J. A. Sampson:
    Perforating hemorrhagic (chocolate) cysts of the ovary. Their importance and especially their relation to pelvic adenomas or endometrial type (“adenomyoma” of the uterus, rectovaginal septum, sigmoid, etc.).
    Archives of Surgery, Chicago, 1921, 3: 245-323.

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