Results 61 to 70 of about 21,197 (216)

An unusual mediastinal giant parathyroid adenoma: A rare case report

open access: yesRadiology Case Reports
Parathyroid adenoma is the most common cause of primary hyperparathyroidism. Giant parathyroid adenoma is considered a rare subtype of parathyroid adenomas that weigh more than 3.5 grams and cause a small number of adenoma related hyperparathyroidism. We
Ahmad Huneity   +5 more
doaj   +1 more source

Radiofrequency Ablation of Parathyroid Adenomas: Safety and Efficacy in a Study of 10 Patients

open access: yesIndian Journal of Endocrinology and Metabolism, 2020
Purpose: To evaluate safety and effectiveness of ultrasound-guided percutaneous radiofrequency ablation of parathyroid adenoma in surgically unfit patients with hypercalcemia because of hyperparathyroidism.
Anubhav Harish Khandelwal   +7 more
doaj   +1 more source

A case report: Giant cystic parathyroid adenoma presenting with parathyroid crisis after Vitamin D replacement [PDF]

open access: yes, 2012
Background: Parathyroid adenoma with cystic degeneration is a rare cause of primary hyperparathyroidism. The clinical and biochemical presentation may mimic parathyroid carcinoma.
Asghar, Ali   +2 more
core   +3 more sources

Coexistence of Medullary Thyroid Carcinoma and Bilateral Pheochromocytoma in MEN2A Syndrome: Atypical Presentation and Clinical Insights From a Case Report

open access: yesClinical Case Reports, Volume 14, Issue 4, April 2026.
ABSTRACT MEN2A may present with bilateral pheochromocytoma a decade before medullary thyroid carcinoma. This case highlights that high‐risk RET mutations must dictate surgical management regardless of benign cytology. Furthermore, it underscores the necessity of lifelong surveillance for late adrenal recurrences presenting as hypertensive crises.
Juan Carlos Vallejo‐Soto   +5 more
wiley   +1 more source

Role of calcium-sensing receptor, Galectin-3, Cyclin D1, and Ki-67 immunohistochemistry to favor in the diagnosis of parathyroid carcinoma

open access: yesIndian Journal of Pathology and Microbiology, 2018
Background: As histopathological findings of parathyroid carcinoma are not certain, the diagnosis of tumors with degenerative changes may be difficult. In these cases, immunohistochemical markers are beneficial.
Nuran Sungu   +10 more
doaj   +1 more source

Clonal Composition of Human Adrenocortical Neoplasms [PDF]

open access: yes, 1994
The mechanisms of tumorigenesis of adrenocortical neoplasms are still not understood. Tumor formation may be the result of spontaneous transformation of adrenocortical cells by somatic mutations.
Abdelhamid, S.   +7 more
core  

Persistent primary hyperparathyroidism: an uncommon location for an ectopic gland: Case report and review [PDF]

open access: yes, 2012
Primary hyperparathyroidism (PHPT) is a common endocrine disorder that mainly affects middle-aged women. Patients are usually asymptomatic. The disease might be ascribable to hyperplasia, carcinoma, and single or multiple adenomas.
Albuquerque,Anabela   +6 more
core   +3 more sources

Pancreatic Neuroendocrine Tumor Leading to a Diagnosis of Multiple Endocrine Neoplasia Type 1

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Pancreatic neuroendocrine neoplasms are rare but occasionally encountered. They are generally highly vascularized solid tumors, often round in shape with clear boundaries, defined contours, and a homogeneous internal structure. However, they can also present with atypical features, such as cystic degeneration, hemorrhage, calcification, and ...
Noriyuki Hirakawa   +9 more
wiley   +1 more source

Ectopic Mediastinal Parathyroid Adenoma in a Patient with Chronic Kidney Disease: A Case Report

open access: yes대한영상의학회지, 2019
We report an ectopic mediastinal parathyroid adenoma in a patient with chronic kidney disease who presented with refractory hypercalcemia. Technetium-99m-sestamibi scintigraphy is a valuable imaging technique for the detection of an ectopic parathyroid ...
Dong Min Choo   +2 more
doaj   +1 more source

Evaluation of formalin-fixed paraffin-embedded tissues in the proteomic analysis of parathyroid glands [PDF]

open access: yes, 2011
Background: Proteomic research in the field of parathyroid tissues is limited by the very small dimension of the glands and by the low incidence of cancer lesions (1%).
Elena Donadio   +11 more
core   +2 more sources

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