Not similar: These are two very different and unrelated conditions. Pilonidal cyst is a type of skin infection and skin pits located in the midline between the gluteal muscles on your backside. Teratoma is an internal tumor that can rarely be malignant, such as a tumor of the ovary or testicle, containing embryonic cells , hair, teeth, etc.
Answered 4/24/2015
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Outside vs inside: Pilonidal cysts are located within skin, subcutaneous fatty tissue and can go to the depth of periosteum. Teratoma's are located inside the body, sometimes as part of an ovary.
Answered 1/5/2019
5.7k views
Completely different: 2 completely different entities. One is due to an infection from hair, the other due to cells from embryologic origin.
Answered 1/12/2018
5.3k views
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