However, unlike pilonidal sinus in humans, dermoid sinus in dogs is a neural tube defect.

然而，与人类藏毛不同，因犬只神管缺陷引起。

Objective:To study the value of trananal ultrasonography of diagnosis of pilonidal sinus.

直肠腔内超声对骶尾部藏毛诊断价值。