Granular cell tumor
Granular Cell Tumor
Granular cell tumor (pronunciation: grăn′yə-lər sĕl to͞o′mər) is a rare neoplasm that commonly occurs in the skin and oral cavity, but can occur in any part of the body.
Etymology
The term "granular cell tumor" is derived from the tumor's appearance under a microscope, which shows large cells with granular cytoplasm.
Definition
A granular cell tumor is a type of neoplasm that originates from Schwann cells, the cells that produce the myelin sheath around peripheral nerves. These tumors are usually benign, but in rare cases, they can be malignant.
Symptoms
Symptoms of a granular cell tumor can vary depending on the location of the tumor. Common symptoms include a lump or mass, pain or discomfort, and changes in skin or mucosal color.
Diagnosis
Diagnosis of a granular cell tumor typically involves a physical examination, imaging tests such as an MRI or CT scan, and a biopsy of the tumor.
Treatment
Treatment for a granular cell tumor usually involves surgical removal of the tumor. In some cases, additional treatments such as radiation therapy or chemotherapy may be necessary.
Prognosis
The prognosis for a granular cell tumor is generally good, especially if the tumor is benign and can be completely removed through surgery. However, malignant granular cell tumors can be more difficult to treat and may have a poorer prognosis.
Related Terms
External links
- Medical encyclopedia article on Granular cell tumor
- Wikipedia's article - Granular cell tumor
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