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YILDIZ, PELİN

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YILDIZ
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PELİN
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Now showing 1 - 10 of 65
  • Publication
    Metadata only
    Melanoma arising in a chronic pressure ulcer.
    (2019-04-01T00:00:00Z) Cengiz, FP; Kelahmetoglu, O; Guneren, E; Yildiz, PELİN; CENGİZ, FATMA PELIN; YILDIZ, PELİN; GÜNEREN, ETHEM
  • Publication
    Metadata only
    Difüzyon ağırlıklı magnetik rezonans görüntüleme mide adenokarsinomlarının lenf nodu evrelemesinde etkin midir?
    (2014-04-20) HASBAHCECI, MUSTAFA; AHMAD, IC; YILDIZ, PELİN; ÇİPE, GÖKHAN; KOCAKOÇ, ERCAN; ARICI, DİLEK SEMA; AKÇAKAYA, ADEM; MEMMİ, NAİM; YILDIZ, PELİN; ARICI, DILEK SEMA; AKÇAKAYA, ADEM
  • Publication
    Metadata only
    Mesane Ürotelyal Karsinomlarında Psödoanjiyosarkomatöz Patern
    (2015-10-17T00:00:00Z) YILDIZ, PELİN; BEHZATOĞLU, KEMAL; ÖZNUR, MELTEM; BAYKAL KOCA, SEVİM; BALBUM SIĞIRCI, BUKET; BOZKURT, EROL RÜŞTÜ; YILDIZ, PELİN
  • Publication
    Metadata only
    The Histomorphogenetic Relationship between Melanocytes and Langerhans Cells in Ovarian Mature Cystic Teratomas
    (2014-03-01T00:00:00Z) YILDIZ, PELİN; Bozkurt, Erol Rustu; Behzatoglu, Kemal; Oznur, Meltem; YILDIZ, PELİN
    Objective: The purpose of this study was to form a view about the existence, numerical relationship and embryological origin of melanocytes and Langerhans cells when they are found together in mature cystic teratomas which have similar cell types and architectural structure to the original vertebrated body.
  • Publication
    Open Access
    Primary cutaneous carcinosarcoma: The first reported case with peripheral nerve sheath differentiation
    (2014-06-01T00:00:00Z) Yildiz, PELİN; Tosuner, ZEYNEP; Guneren, ETHEM; Demirkesen, Cuyan; YILDIZ, PELİN; TOSUNER, ZEYNEP; GÜNEREN, ETHEM
    Primary cutaneous carcinosarcomas (CS) are extremely rare biphasic tumors mainly located on sun-exposed areas of the body. Two hypotheses-multiclonal (convergence) and monoclonal (divergence)-have been suggested for the evolution of these tumors. According to multiclonal hypothesis two or more stem cells of epithelial and mesenchymal origin give rise to these tumors, while a single totipotential cell differentiate into epithelial and mesenchymal components, either synchronously or metachronously according to monoclonal hypothesis. Cutaneous CSs are subdivided into two distinct groups as epidermal and adnexal CSs, due to their epithelial content. We present an interesting case of cutaneous adnexal CS, showing peripheral nerve sheath differentiation and having the spiradenocarcinoma component derived from spiradenoma. To the best of our knowledge, it is the first reported case of CS with these features in the literature.
  • Publication
    Metadata only
    Histological, immunohistochemical features and pathogenesis of pseudoangiosarcomatous urothelial carcinoma.
    (2017-10-01T00:00:00Z) Yıldız, PELİN; Behzatoğlu, K; Hacıhasanoğlu, E; Okcu, O; Durak, H; Yücetaş, U; YILDIZ, PELİN
  • Publication
    Metadata only
    Proliferating Pilar Tumors: Can Immunohistochemistry Differentiate Benign and Malignant Forms?
    (2021-03-01T00:00:00Z) Yildiz, PELİN; Aydin Ulgen, Ovgu; Yol, Cansu; Demirkesen, Cuyan; YILDIZ, PELİN
  • Publication
    Metadata only
    Traumatic Avulsion of Upper Eyelid Skin Following Surgery in a Patient With Multiple Myeloma and Amyloid Light-chain Amyloidosis
    (2020-09-01T00:00:00Z) ERGÜN, SELMA; ZENGİN, SENİYYE ÜLGEN; ÜNAL, Mustafa; YILDIZ, PELİN; ERGÜN, SELMA; ÜNAL, MUSTAFA; YILDIZ, PELİN
    Multiple myeloma (MM) is a common hematologic malignancy. Primary systemic amyloidosis or amyloid light-chain (AL) amyloidosis is a rare disease. PURPOSE: This article presents the case of a patient with MM and AL amyloidosis who experienced a severe case of medical adhesive-related skin injury. CASE STUDY: A 64-year-old man with MM, AL amyloidosis, and diabetes presented with a necrotic wound on his left heel that required surgical debridement. The patient experienced a traumatic avulsion of the right upper eyelid skin during the removal of the corneal abrasion preventive tape as well as traumatic avulsion of the left upper eyelid skin while the patient-s face was being cleansed. The avulsed right upper eyelid skin above the tarsus was repaired with a full-thickness skin graft. The partly avulsed left upper eyelid skin was repositioned, and an excisional biopsy was taken. Both upper eyelids healed uneventfully. The biopsy specimen revealed increased amyloid deposition in the dermis, subcutaneous tissue, and areas surrounding the veins and sweat glands. CONCLUSION: This case illustrates the increased risk of medical adhesive-related skin injury and other skin damage in patients with MM and AL amyloidosis. In these patients, the use of tape should be avoided to prevent intraoperative corneal abrasion.
  • Publication
    Metadata only
    Evolution of Spitz Nevi
    (2017-07-01) Su, Ozlem; Emiroglu, NAZAN; Yildiz, PELİN; OZKAYA, Dilek Biyik; Bahali, ANIL GÜLSEL; Onsun, NAHİDE; EMİROĞLU, NAZAN; YILDIZ, PELİN; BIYIK ÖZKAYA, DİLEK; BAHALI, ANIL GÜLSEL; SU KÜÇÜK, ÖZLEM; ONSUN, NAHIDE
    Background/ObjectivesSpitz nevi are melanocytic lesions with clinical, dermoscopic, and histopathologic presentations that may resemble those of melanoma. The evolution of Spitz nevi is a well-known feature. The objectives of this study were to investigate the clinical and dermoscopic features of Spitz nevi and define their evolution.
  • Publication
    Metadata only
    Challenges in early diagnosis of primary cutaneous CD8+ aggressive epidermotropic cytotoxic T-cell lymphoma: a case series of four patients.
    (2020-08-01T00:00:00Z) Akaslan, TÇ; Dizman, D; Emiroğlu, N; Tosuner, Z; Çetin, G; Demirkesen, C; ONSUN, NAHIDE; YILDIZ, PELİN; ÇETİN, GÜVEN
    Background: Primary cutaneous aggressive epidermotropic CD8+ cytotoxic T-cell lymphoma (AECTCL) is a rare and aggressive lymphoma characterised by ulcerated lesions and a poor prognosis. Objectives: To present a case series of four previously misdiagnosed AECTCL patients and discuss the importance of early diagnosis. Materials and methods: All patients in this study were identified from the database of the Dermatology Department of the Medical School of Bezmialem Vakif University, based on clinical and histopathological diagnosis of AECTCL between 2010 and 2018. Results: AECTCL cases may mimic many benign dermatoses and accurate diagnosis may be delayed. Conclusion: Because of its poor prognosis, early diagnosis of AECTCL may be helpful in improving the likelihood of patient survival, but further study is needed to address the challenges in diagnosing this rare and aggressive lymphoma.