Simin Torabineghad

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Plasma cell tumors are characterized by a monoclonal proliferation of immunoglobulin-secreting plasma cells. Dural infiltration of plasma cells without involvement of the parenchyma, leptomeninges or skull is a rare event. We present a 34-year-old man presenting with hallucination and amnesia. Magnetic resonance imaging revealed a left fronto-temporal mass(More)
Gangliocytoma of the pituitary gland is a rare lesion that often occurs in combination with pituitary adenomas and the exact origin is the subject of discussion. We report a rare case of an intrasellar mass of combined gangliocytoma/ pituitary adenoma coexistent with Rathke's cleft cyst. A 50-year-old female was admitted to our hospital with headache, mild(More)
BACKGROUND Psammomatous melanotic schwannoma (PMS) is a rare pigmented neural tumor most commonly occurring in the paraspinal region. This rare tumor can cause diagnostic difficulties in imprint cytology due to cellular details masked by heavy melanin pigments. CASE A 37-year-old man presented with an 8-month history of lower back pain with no stigmata of(More)
Metastatic neoplasm to the brain is not a rare event and approximately 10% of patients with cancer develop brain involvement. Although brain metastases usually appear late in the course of the disease, it may be an initial symptom of the primary tumor. Small-cell lung cancer, HER-2-positive breast carcinoma, renal cell carcinoma, malignant melanoma and(More)
Ergotamine has been used for the treatment of migraine for many years, and its use in adults is considered to be safe and effective. In this report, we present a 22-year-old female patient, a known case of migraine, who was on ergotamine tartrate and presented with hypertension and renal failure. Renal biopsy indicated features of acute tubulo-interstitital(More)
OBJECTIVES Posttransplant lymphoproliferative disorder following solid organ transplant is a lifethreatening form of posttransplant malignancy. Its occurrence is typically associated with Epstein-Barr virus and profound immunosuppressive therapy. We describe a case of posttransplant lymphoproliferative disorder in the brain parenchyma, 4 years after renal(More)
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