Sacrococcygeal teratoma diagnostic study of choice

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Mirdula Sharma, MBBS [2]Sabawoon Mirwais, M.B.B.S, M.D.[3]

Overview

Ultrasound is the diagnostic study of choice for sacrococcygeal teratoma. Findings on ultrasound include the presence of mass near the distal spine. According to Gonzalez-Crussi System, sacrococcygeal teratoma is graded on a scale from 0 - 3 based on the histology.

Diagnostic Study of Choice

Study of Choice

• Ultrasound is the diagnostic study of choice for sacrococcygeal teratoma.
• Findings on ultrasound include the presence of mass near the distal spine.

Grading

According to Gonzalez-Crussi System, sacrococcygeal teratoma is graded on a scale from 0 - 3 based on the histology:

Grade	Microscopic Features
Grade 0	Tumor contains only mature tissue.
Grade I	Tumor contains rare foci of immature tissue. Less than 10% tissue is immature
Grade II	Tumor contains moderate quantities of immature tissue. Upto 10 - 50% tissue is immature
Grade III	Tumor contains large quantities of immature tissue with or without malignant yolk sac elements. More than 50% tissue is immature