An ectopic hamartomatous thymoma

Abstract An ectopic hamartomatous thymoma is an extremely rare benign tumor of the lower neck that is the most common in middle-aged males. Pathologically, the tumor is characterized by a mixture of spindle cells, epithelial cells, mature adipose tissue, and lymphocytes. The histogenesis of this tum...

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Bibliographic Details
Published in:Auris, nasus, larynx nasus, larynx, 2012-02, Vol.39 (1), p.110-113
Main Authors: Shim, Dae Bo, Song, Ji-Sun, Baek, Seung Jae
Format: Article
Language:English
Subjects:
Adult
Branchial arch
Branchial Region - embryology
Choristoma - diagnosis
Choristoma - pathology
Choristoma - surgery
Hamartoma
Hamartoma - diagnosis
Hamartoma - pathology
Hamartoma - surgery
Head and Neck Neoplasms - diagnosis
Head and Neck Neoplasms - pathology
Head and Neck Neoplasms - surgery
Humans
Male
Otolaryngology
Thymoma
Thymoma - diagnosis
Thymoma - pathology
Thymoma - surgery
Thymus Gland
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Summary:Abstract An ectopic hamartomatous thymoma is an extremely rare benign tumor of the lower neck that is the most common in middle-aged males. Pathologically, the tumor is characterized by a mixture of spindle cells, epithelial cells, mature adipose tissue, and lymphocytes. The histogenesis of this tumor is controversial. Recently, an origin from a remnant of the cervical sinus of His was proposed. Malignant lesions such as synovial sarcomas or malignant peripheral nerve sheath tumors can have similar clinical features and radiologic images. Thus, recognition of this tumor is important because it follows a benign clinical course and conservative surgical excision is the treatment of choice. Here, we report the case of a 34-year-old man with an ectopic hamartomatous thymoma in the left supraclavicular region and a review of the literature on this tumor.
ISSN:0385-8146
1879-1476
DOI:10.1016/j.anl.2011.07.016