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Spectrum of Renal Tumors Other Than Renal Cell Carcinoma with Emphasis on Cytomorphological, Immunohistochemical, and Cytogenetic Study.
J Cytol
November 2024
Department of Pathology, Cytogenetics Unit, Kidwai Memorial Institute of Oncology, Bangalore, Karnataka, India.
Background: The role of fine needle aspiration cytology (FNAC) in the diagnosis of renal malignancies is established and has been getting more precise and important over a period of time. Knowledge of the pathology of uncommon renal neoplasms along with radiological and clinical correlations often aids in correct diagnosis.
Aims: The present study aims to describe the cytomorphological and immunohistochemical findings in the varied spectrum of renal tumors, other than renal cell carcinomas (RCC).
Intraventricular pituicytoma: illustrative case.
J Neurosurg Case Lessons
August 2024
Departments of Neurosurgery, Medical Research Institute, Kitano Hospital, Osaka, Japan.
Background: Pituicytoma is a rare glial neoplasm from pituicytes of the neurohypophysis or infundibulum. It occurs in the sella and suprasellar area, and it is extremely uncommon to observe intraventricular pituicytoma without affecting the infundibulum or infundibular recess.
Observations: A 69-year-old man had suffered progressive dementia for 6 months.
Pink-on-pink: hepatocellular carcinoma metastatic to oncocytic carcinoma of the thyroid.
Pathologica
June 2024
Department of Molecular Medicine, University of Pavia, Pavia, Italy.
Hepatocellular carcinoma typically metastasizes within the liver and may involve extrahepatic sites such as the lungs, adrenal glands, and bones at advanced stages. However, hepatocellular carcinoma metastasis to the thyroid is very uncommon and tumor-to-tumor metastasis from a hepatocellular cancer to a thyroid neoplasm is extremely rare. In this report, we present a case of a 70-year-old man with a hepatocellular carcinoma metastasizing to oncocytic thyroid carcinoma, emphasizing the importance of clinical history and of a multidisciplinary approach, as well as the usefulness of site-specific immunohistochemical markers, in diagnosing and managing cases of Rosai's metastasis, especially when donor and recipient neoplasms share similar histologic features.
View Article and Find Full Text PDFA Possible Association of Salivary Gland Tumors and Oral Lesions with Birt-Hogg-Dube Syndrome: A Systematic Review.
Head Neck Pathol
June 2024
Department of Diagnostic Sciences, Texas A&M University School of Dentistry, 3302 Gaston Avenue, Dallas, TX, 75246, USA.
Article Synopsis
- * A systematic review analyzed 16 patients and families with BHDS, revealing a majority were middle-aged, with skin fibrofolliculomas present in most cases and notable occurrences of oral and parotid lesions, particularly oncocytomas.
- * Due to the rarity of BHDS, its diverse clinical signs may often go unnoticed, highlighting the importance of renal screening for patients showing signs of the syndrome, especially those with oncocytic parotid
Predominantly oncocytic mucoepidermoid carcinoma of palate: A case report.
J Oral Maxillofac Pathol
April 2024
Department of Oral and Maxillofacial Surgery, Yogita Dental College and Hospital, Khed, Maharashtra, India.
Oncocytic mucoepidermoid carcinoma (OMEC) is an uncommon variant of mucoepidermoid carcinoma. Histopathologically, it is characterised by the predominance of cells with large polygonal morphology and with an abundance of eosinophilic granules. We present a rare case of OMEC manifested as painless palatal swelling in a 25-year-old young male.
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