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Cytologic Findings in Pigmented Melanotic Schwannoma

Cytologic Findings in Pigmented Melanotic Schwannoma Case Reports A Case Report Negar Azarpira, M.D., Simin Torabineghad, M.D., Sepideh Sepidbakht, M.D., Mohammad Rakei, M.D., and Mohammad Hadi Bagheri, M.D. Background sammomatous melanotic schwannoma (PMS) is a rare pigment- Psammomatous melanotic schwannoma (PMS) is a rare pigmented neu- P ed neural tumor most commonly occurring in the paraspinal re- ral tumor most commonly occurring in the paraspinal region. This rare gion. It affects male and female persons equally and generally occurs tumor can cause diagnostic difficulties in imprint cytology due to cellular in young adults. It usually arises from the spinal or autonomic details masked by heavy melanin pigments. nerves near the midline but has been reported in the stomach, bone, 2-5 soft tissues, heart, liver, choroids, skin and spinal cord. The most Case common complaints are pain and neurologic symptoms. Schwanno- A 37-year-old man presented with an mas have been shown to display 8-month history of lower back pain marked variation in their cytologic with no stigmata of Carney’s syn- appearances, spanning a range of The diagnosis of PMS can be made when drome on physical examination. Ra- cellularity from scanty to densely diologic studies showed a 3.5-cm cellular and minimal to marked the cytologic, immunohistochemical http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Cytologica Karger

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Publisher
Karger
Copyright
© 2011 S. Karger AG, Basel
ISSN
0001-5547
eISSN
1938-2650
DOI
10.1159/000325096
Publisher site
See Article on Publisher Site

Abstract

Case Reports A Case Report Negar Azarpira, M.D., Simin Torabineghad, M.D., Sepideh Sepidbakht, M.D., Mohammad Rakei, M.D., and Mohammad Hadi Bagheri, M.D. Background sammomatous melanotic schwannoma (PMS) is a rare pigment- Psammomatous melanotic schwannoma (PMS) is a rare pigmented neu- P ed neural tumor most commonly occurring in the paraspinal re- ral tumor most commonly occurring in the paraspinal region. This rare gion. It affects male and female persons equally and generally occurs tumor can cause diagnostic difficulties in imprint cytology due to cellular in young adults. It usually arises from the spinal or autonomic details masked by heavy melanin pigments. nerves near the midline but has been reported in the stomach, bone, 2-5 soft tissues, heart, liver, choroids, skin and spinal cord. The most Case common complaints are pain and neurologic symptoms. Schwanno- A 37-year-old man presented with an mas have been shown to display 8-month history of lower back pain marked variation in their cytologic with no stigmata of Carney’s syn- appearances, spanning a range of The diagnosis of PMS can be made when drome on physical examination. Ra- cellularity from scanty to densely diologic studies showed a 3.5-cm cellular and minimal to marked the cytologic, immunohistochemical

Journal

Acta CytologicaKarger

Published: Jan 1, 2011

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