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Usefulness of gamma knife pituitary surgery to control thalamic pain after treatment of thalamic malignant lymphoma and report of pathology of gamma knife lesions
Utsuki, Satoshi; Oka, Hidehiro; Miyajima, Yoshiteru & Fujii, Kiyotaka
Abstract
Here, we describe the first reported autopsy findings following gamma knife surgery for thalamic pain. A 62-year-old man presented with thalamic pain after treatment for thalamic malignant lymphoma. He was treated with narcotic drugs, but his pain was uncontrollable. Treatment using gamma knife surgery on the pituitary gland using a maximum dose of 180 Gy, led to the control of his intractable pain with lower doses of drugs. His death was pain-free and was caused by a recurrence of the tumor, six months after gamma knife surgery. An autopsy was performed and necrosis was present in the area of the pituitary gland where it borders the pituitary stalk. Half of the adenohypophysis was not necrotic, and necrosis was not found in the pituitary stalk.
Keywords
Gamma knife, intractable pain, thalamic pain, pituitary surgery, adenohypophysis
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