granular cell tumors การใช้

Granular cell tumors are typically solitary and are rarely larger than three centimeters.
Benign granular cell tumors have a recurrence rate of 2 % to 8 % when resection margins are deemed clear of tumor infiltration.
When the resection margins of a benign granular cell tumor are positive for tumor infiltration the recurrence rate is increased to 20 %.
This type of tumor has been found to be both benign and malignant, although malignancy is rare and comprises only 2 % of all granular cell tumors.
Multiple granular cell tumors may seen in the context of " LEOPARD syndrome ", due to a mutation in the " PTPN11 gene ".