Relative incidence of cutaneous cysts.<unk>  cyst is labeled near top. A<unk>  cyst can resemble a dermoid cyst, a kind of teratoma (germ cell tumor). In particular, a<unk>  cyst in the gluteal cleft can resemble a sacrococcygeal teratoma. Correct diagnosis is important because all teratomas require consultation with an oncologist and complete surgical excision, if possible without any spillage.
Pilonidal disease
Hidradenitis suppurativa
Cystitis glandularis
Folliculitis
Vulvar vestibulitis
Anorectal abscess
Haemolacria
Urachal cancer