Skin General 3d45aa41 Groove sign of greenbalt is seen in ? A LGV B Donovanosis C Chancroid D Genital Herpes High-Yield Explanation Ans. is 'a' i.e., LGV Groove sign of Greenblatt' is pathognomonic of LGV when inguinal lymph nodes are enlarged, they are separated by Poupa's ligment, producing a groove.