â– LECTURE OVERVIEW: Endometriosis is a common gynecological condition defined by the presence of functioning endometrial tissue outside the uterine cavity.
â– SYSTEMIC RETRACE PATHS:
1. Retrograde Menstruation: Proposes that endometrial fragments are flushed backward through the fallopian tubes into the peritoneal cavity during menstruation, implanting on pelvic organs.
2. Functioning Stroma/Glands: The ectopic lesions contain functional endometrial stroma and glands that are responsive to ovarian hormones.
3. Cyclic Hemorrhage: Lesions proliferate and bleed in response to cyclic estrogen and progesterone stimulation, inducing severe localized inflammation, fibrosis, and pelvic adhesions.
4. Endometriomas: Cyclic bleeding into the ovaries forms localized, fluid-filled cavities called Endometriomas (ovarian chocolate cysts).
â– SURGICAL LANDMARKS & ANATOMICAL BOUNDARIES:
Intraoperative access requires meticulous dissection along defined tissue planes. Avoid excessive traction near neurovascular bundles and look for key bony landmarks or fascial reflections to secure margins.
â– HISTOCHEMICAL & SPECIAL STAIN ANALYSIS:
Tissue examination is enhanced by specialized dyes and immunophenotypic markers that target cellular structure with remarkable specificity.
[HY-BOARD-1333]
🌟 Dynamic Clinical Key:
Presents with a classic clinical triad of dysmenorrhea, dyspareunia, and dyschezia. The fluid inside ovarian endometriomas is composed of dark, hemolyzed blood and tissue debris, giving it a characteristic 'chocolate-like' consistency visible during laparoscopy. Never divide or ligate any vessel before clearly isolating and confirming its origin and termination. Always cross-reference histochemical stains with structural boundaries on the biopsy.