<unk>  is characterized by the appearance of papules at the umbilicus or in lower abdominal scars after gynecologic surgery in middle-aged women. The size averages to 2 cm in diameter. Its colour ranges from blue to violet, brown or skin-coloured. Rarely,<unk>  may present inside the muscles of the abdominal wall instead of the skin after caesarean section.
Cutaneous endometriosis
Vaginal melanoma
Breast eczema
Hidradenoma
Multiple cutaneous leiomyoma
Trichodiscoma
Mastitis
Genital ulcer