• The blue arrows point to a typical "endometrial type" gland.
• The adjacent stroma contains spindly endometrial stroma.
• Together they resemble inactive endometrium.
• hypotheses include
retrograde menstruation with implantation, metaplasia of
the pelvic peritoneum (Mullerian derivative) or
• reproductive age women esp 4th
and 5th decade
• often associated with infertility without evidence
of actual tubal obstruction
• may be asymptomatic or experience severe pelvic pain with
menstruation, dyspareunia, dysuria, or pain on defecation
• therapy is dependent on symptoms and whether or not there is a desire to maintain fertility
|General Gross Description|
• cortical surface may be dull with adhesions
• cysts contain old brown blood "chocolate"
• generally unilocular
• granular, shaggy brown lining
• also affects pelvic and uterine ligaments, cul-de-sac,
peritoneum, abdominal scars and occasionally distant sites
|General Micro Description|
endometrial glands and/or
• endometrial stroma and/or
• hemosiderin laden macrophages
• usually abundant scar
• Cotran RS, Kumar V, Robbins SL: Robbins Pathologic Basis of Disease. 5th ed. Philadelphia, W.B. Saunders, 1994, pp. 1054-1055