<prompt> Genital elephantiasis is caused by -DonovanosisCongenital syphilisHerpes genitalisLymphogranuloma venerum  <response>: Ans. is d i.e., Lymphogranuloma venerum Lymphogranuloma venerum lymphogranuloma inguinaleo LGV is caused by chlamydia trachomatis , serotypes LI, L2, L3. Serotype L2 is the most common cause. The clinical course of LGV consist of following three stages: -1 First stage Primary LGV : - Self limited, Single, asymptomatic, painless, nonbleeding genital ulcer.2 Secondary stage : - Painful inguinal lymphadenopathy Remember - Ulcer is pain less but lymphodenopathy is tender painful. Swollen lymph nodes coalesce to form bubos , i.e., matted lymph nodes. Buboes may rupture to form discharging sinus. Grooves sign - Enlarge lymph nodes both above and below inguinal ligament.3 Tertiary LGV genitorectal syndrome: - Characterized by proctocolitis.o Complications of LGV1 Esthiomene Enlargement, thickening and fibrosis of labia.2 Elephantiasis of the genitals3 Rectal stricture4 Systemic - Arthritis, pneumonitis, Perihepatitiso Freis test was used for diagnosis not used nowo Treatment - Doxycyclinetetracycline is DOC. Erythromycin is an alternative. 