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BÜYÜKPINARBAŞILI, NUR

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NUR

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BÜYÜKPINARBAŞILI

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2014 - 20153
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Has files: trueAuthor: GÜCİN, ZÜHAL

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    PublicationOpen Access
    A Rare Case: Mucous Membrane Plasmacytosis in the Larynx
    (2014-07-01) BÜYÜKPINARBAŞILI, NUR; ÇOBAN, GANİME; GÜCİN, ZÜHAL; Meriç, Ayşenur; BÜYÜKPINARBAŞILI, NUR; ÇOBAN, GANİME; GÜCİN, ZÜHAL
    Mucous membrane plasmacytosis is a rare reactive process characterized by plasma cell infiltration of mucous membranes for unknown reasons. It may be confused with malignancy because of its exophytic structure and pavement appereances. A laryngeal polypoid lesion was sent to the pathology department, clinically called fibroma, and presented to emphasize the diagnostic and differential diagnostic criteria.
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    PublicationOpen Access
    Immunoexpression of TTF-1 in Non-Lung Tumors
    (2014-12-01T00:00:00Z) TOSUNER, ZEYNEP; ARICI, Dilek Sema; GÜCİN, ZÜHAL; BÜYÜKPINARBAŞILI, NUR; SÖNMEZ, FATMA CAVİDE; YILDIZ, PELİN; TOSUNER, ZEYNEP; ARICI, DILEK SEMA; GÜCİN, ZÜHAL; BÜYÜKPINARBAŞILI, NUR; SÖNMEZ, FATMA CAVİDE; YILDIZ, PELİN
    Objective: Thyroid transcription factor-1 (TTF-1) immunoexpression is frequently determined in small-cell lung carcinomas, as well as primary lung adenocarcinomas. While dealing with metastatic carcinomas, TTF-1 immunoexpression is a significant indicator of primary lung carcinomas. Recent studies have revealed that TTF-1 immunoexpression is also defined in non-lung cancers, such as squamous cell carcinomas of different sites and certain neuroendocrine tumors. The verified data obtained from these studies indicate that a straightforward diagnosis of primary lung carcinoma in cases with positive TTF-1 immunoexpression can cause diagnostic contradictions. The aim of our study is to investigate the immunoexpression status of TTF-1 in common non-lung tumors. Methods: A total of 85 cases that were diagnosed in our institute between the years 2011-2012 were included in our study. After a review of the pathological slides prepared from these tumors [colon adenocarcinoma (n: 15), renal cell carcinoma (n: 15), prostate adenocarcinoma (n: 15), invasive papillary urothelial carcinoma (n: 15), invasive ductal carcinoma of breast (n: 15), and neuroendocrine tumors (n: 10)] TTF-1 immunohistochemistry was applied. Semiquantative evaluation based on the distribution and intensity of the staining was performed by two pathologists, respectively. Results: Positive immunostaining was evident in only 1 case of colon adenocarcinoma out of 85 cases. Conclusion: Our study demonstrated that TTF-1 immunoexpression is a very rare finding (1%) in non-lung tumors. This result provides that anti-TTF-1 is a reliable antibody in the interpretation of primary lung carcinomas. In fact, further studies with a large number of cases are needed to confirm the sensitivity and specificity of TTF-1.
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    PublicationOpen Access
    Giant Cell Arteritis of the Breast
    (2015-12-01T00:00:00Z) Buyukpinarbasili, Nur; GÜCİN, ZÜHAL; ERSOY, YELİZ EMİNE; YILDIZ, ŞEYMA; BÜYÜKPINARBAŞILI, NUR; GÜCİN, ZÜHAL; ERSOY, YELIZ EMINE; YILDIZ, ŞEYMA
    Systemic vasculitis such as Wegener-s granulomatosis (WG), giant cell arteritis (GCA), and poliarteritis nodosa (PAN) may produce tumor-like masses in various organs. GCA may affect large vessels and also rarely present with primary visceral involvement in the breast. In these situations, GCA may confuse with malignancy because of characteristics such as tenderness, redness, and mass formation. This article presents a case report on an 87-year-old woman with palpable mass in her breast and was diagnosed as GCA in the biopsied lesion.