Eccrine hidrocystoma

Eccrine hidrocystoma is a benign tumor that originates from the sweat glands, specifically the eccrine sweat glands. These tumors are typically small, solitary, and filled with clear fluid. They are most commonly found on the face, particularly around the eyes and nose.

Etiology

The exact cause of eccrine hidrocystoma is unknown. However, it is believed to be related to the blockage of the sweat ducts, which leads to the accumulation of sweat and the formation of a cyst. Some researchers suggest that increased sweating, such as during hot weather or physical exertion, may contribute to the development of these tumors.

Clinical Presentation

Eccrine hidrocystomas present as small, skin-colored or bluish nodules. They are typically less than 1 cm in diameter and are filled with clear fluid. The nodules may become larger and more noticeable in hot weather or during physical exertion, due to increased sweat production.

Diagnosis

The diagnosis of eccrine hidrocystoma is typically made based on the clinical presentation and the results of a skin biopsy. The biopsy will show a cystic lesion lined by a single layer of cuboidal cells, which is characteristic of this type of tumor.

Treatment

Treatment options for eccrine hidrocystoma include surgical excision, laser therapy, and cryotherapy. However, these tumors are benign and do not pose a risk to health, so treatment is typically only pursued for cosmetic reasons or if the tumor is causing discomfort.

Prognosis

The prognosis for eccrine hidrocystoma is excellent. These tumors are benign and do not spread to other parts of the body. However, they may recur after treatment, particularly if the entire tumor is not removed.

See Also

• Sweat gland tumors
• Cyst
• Skin biopsy