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Mature mediastinal teratoma - gross pathology

Case contributed by Dr Frank Gaillard

Presentation:

Specimen obtained form the anterior mediastinum.

Patient Data:

Age: 17
Gender: Male
Race: Caucasian

Surgical specimen from anterior mediastinum

Modality: Photo

There is a well circumscribed, heterogeneous, solid to focally cystic mass with thin peripheral rim and septa. The solid areas are composed of yellow adipose tissue and pale chalky material while cystic areas are partly smooth walled, in areas associated with hair.

Case Discussion:

Mature cystic teratoma is a common neoplastic mediastinal tumour, predominantly seen in children and young adults.

On histology, the lesion is characterised by elements variably derived from the three germ cell layers (endoderm, mesoderm and ectoderm).

Mature mediastinal teratoma - gross pathology. Author: The Armed Forces Institute of Pathology (AFIP)

Original file: http://commons.wikimedia.org/wiki/File:Mature_teratoma,_mediastinum.jpg

Modifications: square crop

License: This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright.

PEIR Digital Library (Pathology image database). Image# 414992. Image and description are from the AFIP Atlas of Tumor Pathology.

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