Yazar "Kefeli, Mehmet" için listeleme
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Akciğerin sarkomatoid karsinomları: Üç olgu sunumu
Sarkomatoid karsinomlar akciğerin malign tümörlerinin %0.3-1.3'ünü oluşturan nadir görülen bir tümör grubudur. Küçük hücreli dışı akciğer karsinomlarının sarkom veya sarkom benzeri bileşen içeren ayrı bir tipidir. Bu yazıda, ... -
Amyloid goiter: two cases and a review of the literature
Yildiz, Levent; Kefeli, Mehmet; Kose, Behiye; Baris, Sancar (K Faisal Spec Hosp Res Centre, 2009)Although involvement of the thyroid gland by amyloid is a relatively common phenomenon, clinically significant enlargement of the thyroid owing to amyloid deposition is an extremely rare occurrence. We describe two cases ... -
Anthracotic Solitary Pulmonary Nodule Imitating Lung Malignancy on F-18 FDG PET/CT Imaging
Canbaz, Fevziye; Kefeli, Mehmet; Sahin, Zeliha; Basoglu, Tarik (Lippincott Williams & Wilkins, 2011)An asymptomatic 68-year-old man with suspected prostate cancer was referred for F-18 FDG PET/CT imaging for characterization of an incidental solitary pulmonary nodule. The left lingular nodule demonstrated corresponding ... -
Arthroplasty for the treatment of joint degeneration caused by ochronosis in two cases
Kefeli, Mehmet; Tomak, Yilmaz; Can, Bilge; Baris, Sancar (Turkish Assoc Orthopaedics Traumatology, 2008)Ochronosis is a rare metabolic disease caused by the deficiency of the homogentisic acid oxidase enzyme. With increasing age, accumulation of pigment deposits of homogentisic acid in the joint cartilage results ill ochronotic ... -
Bcl-2 Positivity in B and C Hepatitis and Hepatocellular Carcinomas
Yildiz, Levent; Baris, Sancar; Aydin, Oguz; Kefeli, Mehmet; Kandemir, Bedri (H G E Update Medical Publishing S A, 2008)Background/Aims: This study aims to investigate the expression of bcl-2 in the chronic hepatitis B, C and hepatocellular carcinoma. Methodology: In this study, 23 chronic hepatitis C, 17 chronic hepatitis B and 29 ... -
A case of cat scratch disease
Eroglu, Cafer; Candir, Nihat; Dervisoglu, Adem; Kefeli, Mehmet (Ankara Microbiology Soc, 2007)Cat scratch disease (CSD) which is usually seen in children and young adults and characterized by self limited lymphadenopathy, is caused by Bartonella henselae. In this report, a 30 years old male patient who was admitted ... -
CD117 expression in normal, neoplastic, inflammatory, and reactive lesions of the thyroid
Aydin, Oguz; Yildiz, Levent; Kefeli, Mehmet; Kandemir, Bedri (Elsevier Gmbh, Urban & Fischer Verlag, 2008)The mutations of c-kit gene, which encodes a transmembrane receptor tyrosine kinase (CD117-KIT) or activation of CD 117, lead to the activation of signal transduction cascades regulating cell proliferation, apoptosis, ... -
Cervical Cancer Presenting as an Omental Cake
Canbaz, Fevziye; Celik, Handan; Kefeli, Mehmet; Tosun, Migraci (Lippincott Williams & Wilkins, 2018)In women, peritoneal carcinomatosis usually originates from primary ovarian cancer. We report a case of omental cake as the initial presentation of a cervical cancer, which is extremely rare for this disease. F-18-FDG ... -
Chromophobe renal cell carcinoma with osseous metaplasia containing fatty bone marrow element: A case report
Kefeli, Mehmet; Yildiz, Levent; Aydin, Oguz; Kandemir, Bedri; Yilmaz, All Faik (Elsevier Gmbh, Urban & Fischer Verlag, 2007)A 27-year-old woman presenting with epigastric pain and dyspepsia was found to have a calcified mass in the upper-middle right kidney. Gross examination of the nephrectomy specimen revealed a 6.5 x 5 x 4 cm. renal tumor ... -
The coexistence of invasive ductal carcinoma and malignant phyllodes tumor with liposarcomatous and chondrosarcomatous differentiation in the same breast in a post-osteosarcoma case
Kefeli, Mehmet; Yildiz, Levent; Akpolat, Ilkser; Balci, Pinar; Ozen, Necati (Elsevier Gmbh, Urban & Fischer Verlag, 2008)Malignant phyllodes tumors of the breast are rare biphasic neoplasms, the stromal component of which may show homologous and heterologous sarcomatous elements. Malignant epithelial transformation is rare. It has been ... -
Cutaneous leukocytoclastic vasculitis associated with anti-tuberculosis drugs
Avcu, Gulhadiye; Sensoy, Gulnar; Celiksoy, Mehmet Halil; Sogut, Ayhan; Kefeli, Mehmet; Karli, Arzu; Belet, Nursen (Wiley, 2015)Leukocytoclastic vasculitis (LCV), a disease characterized by inflammation of the small vessels, presents with palpable purpura, especially in the lower extremities. Its etiology is known to include drugs, infection, ... -
Diagnostic and Prognostic Biomarkers of Adrenal Cortical Carcinoma
Mete, Ozgur; Gucer, Hasan; Kefeli, Mehmet; Asa, Sylvia L. (Lippincott Williams & Wilkins, 2018)The diagnosis of low-grade adrenal cortical carcinoma (ACC) confined to the adrenal gland can be challenging. Although there are diagnostic and prognostic molecular tests for ACC, they remain largely unutilized. We examined ... -
Diagnostic value of ischaemia-modified albumin in pulmonary contusion in rats
Celik, Burcin; Yardan, Turker; Kefeli, Mehmet; Mentese, Ahmet; Turedi, Suleyman; Baydin, Ahmet; Karahan, Suleyman Caner (Elsevier Sci Ltd, 2012)Background: Patients with pulmonary contusion (PC) are at increased risk of development of complications and death after trauma. The early diagnosis and determination of severity of PC could improve clinical outcomes. The ... -
The diagnostic value of shear wave elastography for parathyroid lesions and comparison with cervical lymph nodes
Polat, Ahmet Veysel; Ozturk, Mesut; Akyuz, Behic; Celenk, Cetin; Kefeli, Mehmet; Polat, Cafer (Soc Romana Ultrasonografe Medicina Biologie-Srumb, 2017)Aims: The aim of this study was to prospectively assess the feasibility of the Virtual Touch tissue imaging quantification (VTIQ) method of shear wave elastography (SWE) for the discrimination of parathyroid lesions and ... -
Distinctive Metabolic Signatures in Adrenocortical Tumorigenesis
Duan, Kai; Gucer, Hasan; Kefeli, Mehmet; Asa, Sylvia L.; Winer, Daniel; Mete, Ozgur (Nature Publishing Group, 2017)… -
Distinctive Metabolic Signatures in Adrenocortical Tumorigenesis [2]
Duan, Kai; Gucer, Hasan; Kefeli, Mehmet; Asa, Sylvia L.; Winer, Daniel; Mete, Ozgur (Nature Publishing Group, 2017)… -
Do You Know the Details of Your PAX8 Antibody? Monoclonal PAX8 (MRQ-50) Is Not Expressed in a Series of 45 Medullary Thyroid Carcinomas
Gucer, Hasan; Caliskan, Sultan; Kefeli, Mehmet; Mete, Ozgur (Humana Press Inc, 2020)Medullary thyroid carcinomas display cytologic and architectural features that can simulate various primary and metastatic neoplasms. PAX8 immunoexpression in neuroendocrine neoplasms yielded antibody-dependent findings. ... -
The effect of surgical denervation on prevention of excessive dermal scarring: A study on rabbit ear hypertrophic scar model
Yagmur, Caglayan; Guneren, Ethem; Kefeli, Mehmet; Ogawa, Rei (Elsevier Sci Ltd, 2011)Background: Previous reports have suggested that the extent of wound contraction, epithelisation and total healing time were influenced by denervation of tissues. In this article, we studied for the first time the effect ... -
Effect of vitamin C on the growth of experimentally induced endometriotic cysts
Durak, Yildirim; Kokcu, Arif; Kefeli, Mehmet; Bildircin, Devran; Celik, Handan; Alper, Tayfun (Wiley-Blackwell, 2013)Aim The aim of this study was to investigate the effect of vitamin C on the growth of experimental endometriotic cysts. Material and Methods The endometrium of the uterine horn wall (diameter, 4mm) was implanted onto the ...