Which statement best describes the pathogenesis of female genital tuberculosis?
- A It is usually a primary infection acquired through sexual contact
- B It spreads hematogenously from a primary focus, most commonly in the lungs, and reaches the fallopian tubes first ✓
- C It spreads by direct contiguity from intestinal tuberculosis to the ovaries first
- D It spreads by lymphatics from inguinal nodes to the vulva and vagina first
Correct answer: B. It spreads hematogenously from a primary focus, most commonly in the lungs, and reaches the fallopian tubes first
Explanation
Female genital tuberculosis is almost always secondary, reactivation of bacilli seeded hematogenously from a primary focus, classically pulmonary, sometimes renal or abdominal. The organisms lodge in the fallopian tubes first, which show involvement in nearly all cases, and then descend to involve the endometrium. Sexual transmission producing primary genital disease is exceedingly rare, and lymphatic spread to the lower genital tract is not the typical route.
Reference: Shaw's Textbook of Gynaecology, 18th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
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