This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
The Inguinal region shown below is seen in 
Select and explain. 
A. Chancroid, B. Lymphogranuloma venerum, C. Syphilis, D. Granuloma inguinale
B: Lymphogranuloma venerum
Answer: B: Lymphogranuloma venerum 
Explanation: The image shows "groove sign" = Enlarged lymph nodes matted together on either side of inguinal ligament.
This is seen in Lymphogranuloma venerum.