Question:
Groove sign of Greenblatt is seen in?
Groove sign of Greenblatt is seen in?
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Think of the STI where Poupart's ligament splits enlarged inguinal nodes.
Updated On: Jun 24, 2026
- LGV
- Donovanosis
- Chancroid
- Genital Herpes
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The Correct Option is A
Solution and Explanation
Step 1: The groove sign of Greenblatt is a classic clinical feature of Lymphogranuloma venereum (LGV), caused by Chlamydia trachomatis serovars L1, L2 and L3.
Step 2: In LGV, the inguinal and femoral lymph nodes enlarge and become matted (buboes). Poupart's ligament (the inguinal ligament) runs across this region and separates the enlarged inguinal nodes from the femoral nodes, producing a visible linear depression known as the groove sign. It is considered pathognomonic of LGV.
Step 3: The other options do not produce this sign. Donovanosis (granuloma inguinale) causes beefy-red ulcers and pseudobuboes; chancroid produces painful suppurating buboes without the groove; genital herpes produces grouped painful vesicles. Hence the answer is LGV.
Step 2: In LGV, the inguinal and femoral lymph nodes enlarge and become matted (buboes). Poupart's ligament (the inguinal ligament) runs across this region and separates the enlarged inguinal nodes from the femoral nodes, producing a visible linear depression known as the groove sign. It is considered pathognomonic of LGV.
Step 3: The other options do not produce this sign. Donovanosis (granuloma inguinale) causes beefy-red ulcers and pseudobuboes; chancroid produces painful suppurating buboes without the groove; genital herpes produces grouped painful vesicles. Hence the answer is LGV.
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