Results 61 to 70 of about 371,156 (201)

A Hierarchical Transformer Encoder to Improve Entire Neoplasm Segmentation on Whole Slide Image of Hepatocellular Carcinoma [PDF]

arXiv, 2023
In digital histopathology, entire neoplasm segmentation on Whole Slide Image (WSI) of Hepatocellular Carcinoma (HCC) plays an important role, especially as a preprocessing filter to automatically exclude healthy tissue, in histological molecular correlations mining and other downstream histopathological tasks.
arxiv  

Multiple endocrine neoplasia type 1 combined with thyroid neoplasm: A case report and review of literatures

World Journal of Clinical Cases, 2022
BACKGROUND Multiple endocrine neoplasia type 1 (MEN1) is a rare hereditary tumor syndrome inherited in an autosomal dominant manner and presents mostly as parathyroid, endocrine pancreas (such as gastrinoma) and anterior pituitary tumors.
Jia-Lu Xu, S. Dong, Le-Le Sun, Jin-Xin Zhu, Jia Liu   +4 more
semanticscholar   +1 more source

Hypercalcemia in the Presence of an Ectopic Mediastinal Mass

Journal of Primary Care & Community Health, 2020
A 72-year-old gentleman who presented to the outpatient clinic for a preventive health appointment with symptoms of depression and fatigue was found to have persistent hypercalcemia on routine laboratory monitoring.
Robert K. Strother, Matthew Meunier MD
doaj   +1 more source

Metabolic and functional imaging employment in the differentiation of brown tumors from bone metastases in a case of primary papillary thyroid cancer and parathyroid adenoma: case report

Journal of the Egyptian National Cancer Institute, 2021
Background Brown tumors are benign osteoclastic bone lesions encountered in patients with hyperparathyroidism. These tumors may demonstrate aggressive, destructive features in the skeleton and imitate metastatic bone lesions, particularly in patients ...
Ula Al-Rasheed, Fareed Barakat, Akram Al-Ibraheem   +2 more
doaj   +1 more source

Multiple Brown Tumors Secondary to Parathyroid Carcinoma: A Challenging Diagnosis

Cureus, 2022
Parathyroid carcinoma is an extremely rare endocrine neoplasm that accounts for less than 1% of the cases of primary hyperparathyroidism (PHPT). Continuous exposure to high levels of parathyroid hormone (PTH) induces an increase in bone remodeling and ...
E. Silva, R. Ferreira, M. H. Lourenço, B. Marques, S. Duarte   +4 more
semanticscholar   +1 more source

Intrathyroidal Parathyroid Carcinoma: An Atypical Thyroid Lesion

Frontiers in Endocrinology, 2018
Parathyroid carcinoma is a rare endocrine malignancy that is typically difficult to diagnose at presentation. Here, we report a 63 year-old man who had symptomatic hypercalcemia.
Noran Alharbi, Noran Alharbi, Sylvia L. Asa, Marta Szybowska, Raymond H. Kim, Raymond H. Kim, Shereen Ezzat   +6 more
doaj   +1 more source

Rare Somatic MEN1 Gene Pathogenic Variant in a Patient Affected by Atypical Parathyroid Adenoma

International Journal of Endocrinology, 2020
Objective. Atypical parathyroid adenoma is a rare neoplasm, showing atypical histological features intermediate between classic benign adenoma and the rarest parathyroid carcinoma, whose the clinical behaviour and outcome is not yet understood or ...
Luigia Cinque, Flavia Pugliese, Celeste Clemente, Stefano Castellana, Maria Pia Leone, Danilo de Martino, Teresa Balsamo, Claudia Battista, Tommaso Biagini, Paolo Graziano, Marco Castori, Alfredo Scillitani, Vito Guarnieri   +12 more
doaj   +1 more source

A rare combination of tumor-induced osteomalacia caused by sinonasal glomangiopericytoma and coexisting parathyroid adenoma: case report and literature review

BMC Endocrine Disorders, 2022
Background Tumor-induced osteomalacia (TIO) is a rare, acquired disease of renal phosphate wasting and disturbed vitamin D homeostasis as a result of the action of a phosphaturic protein – FGF-23, produced by a neoplasm.
Agnieszka Brociek-Piłczyńska, D. Brodowska-Kania, Kornel Szczygielski, M. Lorent, G. Zieliński, P. Kowalewski, D. Jurkiewicz   +6 more
semanticscholar   +1 more source

A patient with femoral osteitis fibrosa cystica mimicking bone neoplasm: a case report

BMC Musculoskeletal Disorders, 2022
Background Osteitis fibrosa cystica is a rare, benign and osteolytic lesion attributed to hyperparathyroidism. The high level of parathyroid hormone cause rapid bone loss.
Xiao-long Xu, Cuicui Yang, Sheng-jun Lu, Hong-hui Pei, Shun-guang Chen, Quan-ming Liao   +5 more
semanticscholar   +1 more source

Clinical, laboratory and instrumental methods of pre-surgical diagnosis of the parathyroid glands cancer

Эндокринная хирургия, 2017
Backgraund. When defining symptomatic primary hyperparathyroidism (PHPT), differential diagnosis between a benign and malignant neoplasm of parathyroid glands (PG) may be challenging.
Natalia G. Mokrysheva, Julia A. Krupinova, Svetlana S. Mirnaya   +2 more
doaj   +1 more source