A Clinical Experience of Subcutaneous Bronchogenic Cyst.

Lee, Ye Jin; Ahn, Duck Kyoon; Yu, Hee Joon; Lee, Won Mi; Park, Yong Wook

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Case Report

Journal of the Korean Society of Plastic and Reconstructive Surgeons 2001;28(2):175-178.
Published online March 1, 2001.

A Clinical Experience of Subcutaneous Bronchogenic Cyst.

Ye Jin Lee, Duck Kyoon Ahn, Hee Joon Yu, Won Mi Lee, Yong Wook Park

¹Department of Plastic & Reconstructive Surgery, .
²Department of Dermatology, Kuri Hospital, Hanyang University, Korea.
³Department of Pathology, Kuri Hospital, Hanyang University, Korea.

Abstract

Bronchogenic cyst is a congenital anomaly of the embryolgic foregut. A bronchogenic cyst is thought to arise from developing lung bud structure in the 7th week of gestation. Subcutaneous bronchogenic cyst is developed from isolated lung parenchyme during cell migration. Sometimes the fistula is formed between cyst and epidermis. Histologically, fistula tract is lined with sebaceous gland, which is the evidence of embryologic anomaly of cyst. The most common extrapulmonary location of bronchogenic cyst is mediastinum. Subcutaneous location is uncommon. Subcutaneous bronchogenic cyst is commonly located in suprasternal notch followed by the presternal area, neck and scapula. Subcutaneous bronchogenic cyst is predominantly found in male and the ratio is four to one. Clinically the cutaneous presentation vary from nodular swelling, sinus tract ostium to papillomatous lesion. The differential diagnosis of bronchogenic cyst include branchial cleft cyst, thyroglossal duct cyst, cutaneous ciliated cyst and mature cystic teratoma. The diagnosis of subcutanoeus cyst is entirely dependent on the histologic feature. Bronchogenic cyst is lined with ciliated pseudostratified columar epithelium of respiratory origin. Underlying wall is surrounded by the smooth muscle, cartilage and seromucinous gland. This report is on a subcutaneous bronchogenic cyst in a 5-years-old male without fistula tract. The cyst is 5 x 4 x 3 cm in size and histolgically shows the typical feature of bronchogenic cyst.

Keywords: Subcutaneous bronchogenic cyst

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