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

然，与人类的窦不同，皮窦是因犬只的神管缺陷引起的。

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

探讨直肠腔内超声对骶尾窦的诊断价值。