Solitary Fibrous Tumor of Neck Mimicking Cold Thyroid Nodule in 99m Tc Thyroid Scintigraphy

A 68-year-old man had a rapidly growing, painless neck mass, thought to be nodular goiter. Ultrasonography showed a giant, heterogeneous mass occupying the middle and superior poles and protruding outside of the left thyroid lobe. The results of the thyroid function tests were normal. Thyroid scinti...

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Main Authors: Oya Topaloglu, Bekir Ucan, Taner Demirci, Muyesser Sayki Arslan, Guleser Saylam, Evrim Onder, Sinan Gultekin, Alper Dilli, Mustafa Sahin, Erman Cakal, Mustafa Ozbek, Tuncay Delibasi
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Case Reports in Endocrinology
Online Access:http://dx.doi.org/10.1155/2013/805745
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author Oya Topaloglu
Bekir Ucan
Taner Demirci
Muyesser Sayki Arslan
Guleser Saylam
Evrim Onder
Sinan Gultekin
Alper Dilli
Mustafa Sahin
Erman Cakal
Mustafa Ozbek
Tuncay Delibasi
author_facet Oya Topaloglu
Bekir Ucan
Taner Demirci
Muyesser Sayki Arslan
Guleser Saylam
Evrim Onder
Sinan Gultekin
Alper Dilli
Mustafa Sahin
Erman Cakal
Mustafa Ozbek
Tuncay Delibasi
author_sort Oya Topaloglu
collection DOAJ
description A 68-year-old man had a rapidly growing, painless neck mass, thought to be nodular goiter. Ultrasonography showed a giant, heterogeneous mass occupying the middle and superior poles and protruding outside of the left thyroid lobe. The results of the thyroid function tests were normal. Thyroid scintigraphy revealed a large hypoactive nodule in the left thyroid lobe. Complete surgical removal of tumor was performed and macroscopically demonstrated a well-demarked lesion outside the thyroid gland. Microscopically, the lesion was composed of fibroblast-like spindle cells in a patternless architecture and extensive stromal hyalinization. Immunohistochemistry showed positive reaction for CD34 in spindle cells and diffuse bcl-2 staining. The pathology was confirmed as solitary fibrous tumor. In the follow-up period after surgery, thyroid scintigraphy showed normal left thyroid lobe. Solitary fibrous tumor originated from or associated with thyroid gland is extremely rare. According to our knowledge, this is the first reported solitary fibrous tumor presenting like a cold thyroid nodule. This pathology must be considered for differential diagnosis of neck masses in the thyroid region.
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institution Kabale University
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language English
publishDate 2013-01-01
publisher Wiley
record_format Article
series Case Reports in Endocrinology
spelling doaj-art-7d4eaa7aa48d4d79b2d554c265bed75a2025-02-03T01:29:57ZengWileyCase Reports in Endocrinology2090-65012090-651X2013-01-01201310.1155/2013/805745805745Solitary Fibrous Tumor of Neck Mimicking Cold Thyroid Nodule in 99m Tc Thyroid ScintigraphyOya Topaloglu0Bekir Ucan1Taner Demirci2Muyesser Sayki Arslan3Guleser Saylam4Evrim Onder5Sinan Gultekin6Alper Dilli7Mustafa Sahin8Erman Cakal9Mustafa Ozbek10Tuncay Delibasi11Department of Endocrinology and Metabolism, Diskapi Yildirim Beyazit Training and Research Hospital, 06130 Ankara, TurkeyDepartment of Endocrinology and Metabolism, Diskapi Yildirim Beyazit Training and Research Hospital, 06130 Ankara, TurkeyDepartment of Endocrinology and Metabolism, Diskapi Yildirim Beyazit Training and Research Hospital, 06130 Ankara, TurkeyDepartment of Endocrinology and Metabolism, Diskapi Yildirim Beyazit Training and Research Hospital, 06130 Ankara, TurkeyDepartment of Otorhinolaryngology, Diskapi Yildirim Beyazit Training and Research Hospital, 06130 Ankara, TurkeyDepartment of Pathology, Diskapi Yildirim Beyazit Training and Research Hospital, 06130 Ankara, TurkeyDepartment of Nuclear Medicine, Diskapi Yildirim Beyazit Training and Research Hospital, 06130 Ankara, TurkeyDepartment of Radiology, Diskapi Yildirim Beyazit Training and Research Hospital, 06130 Ankara, TurkeyDepartment of Endocrinology and Metabolism, Ankara University School of Medicine, 06450 Ankara, TurkeyDepartment of Endocrinology and Metabolism, Diskapi Yildirim Beyazit Training and Research Hospital, 06130 Ankara, TurkeyDepartment of Endocrinology and Metabolism, Diskapi Yildirim Beyazit Training and Research Hospital, 06130 Ankara, TurkeyDepartment of Endocrinology and Metabolism, Diskapi Yildirim Beyazit Training and Research Hospital, 06130 Ankara, TurkeyA 68-year-old man had a rapidly growing, painless neck mass, thought to be nodular goiter. Ultrasonography showed a giant, heterogeneous mass occupying the middle and superior poles and protruding outside of the left thyroid lobe. The results of the thyroid function tests were normal. Thyroid scintigraphy revealed a large hypoactive nodule in the left thyroid lobe. Complete surgical removal of tumor was performed and macroscopically demonstrated a well-demarked lesion outside the thyroid gland. Microscopically, the lesion was composed of fibroblast-like spindle cells in a patternless architecture and extensive stromal hyalinization. Immunohistochemistry showed positive reaction for CD34 in spindle cells and diffuse bcl-2 staining. The pathology was confirmed as solitary fibrous tumor. In the follow-up period after surgery, thyroid scintigraphy showed normal left thyroid lobe. Solitary fibrous tumor originated from or associated with thyroid gland is extremely rare. According to our knowledge, this is the first reported solitary fibrous tumor presenting like a cold thyroid nodule. This pathology must be considered for differential diagnosis of neck masses in the thyroid region.http://dx.doi.org/10.1155/2013/805745
spellingShingle Oya Topaloglu
Bekir Ucan
Taner Demirci
Muyesser Sayki Arslan
Guleser Saylam
Evrim Onder
Sinan Gultekin
Alper Dilli
Mustafa Sahin
Erman Cakal
Mustafa Ozbek
Tuncay Delibasi
Solitary Fibrous Tumor of Neck Mimicking Cold Thyroid Nodule in 99m Tc Thyroid Scintigraphy
Case Reports in Endocrinology
title Solitary Fibrous Tumor of Neck Mimicking Cold Thyroid Nodule in 99m Tc Thyroid Scintigraphy
title_full Solitary Fibrous Tumor of Neck Mimicking Cold Thyroid Nodule in 99m Tc Thyroid Scintigraphy
title_fullStr Solitary Fibrous Tumor of Neck Mimicking Cold Thyroid Nodule in 99m Tc Thyroid Scintigraphy
title_full_unstemmed Solitary Fibrous Tumor of Neck Mimicking Cold Thyroid Nodule in 99m Tc Thyroid Scintigraphy
title_short Solitary Fibrous Tumor of Neck Mimicking Cold Thyroid Nodule in 99m Tc Thyroid Scintigraphy
title_sort solitary fibrous tumor of neck mimicking cold thyroid nodule in 99m tc thyroid scintigraphy
url http://dx.doi.org/10.1155/2013/805745
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