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Results for “Parathyroid Neoplasms”

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At least 379 records · Page 21Linked to original sources
PubMed1984

[A new artificial cushion (elastomer) as the interface for sonography].

For ultrasonographic examinations of 500 patients a new plastic cushion was applied as interface. This block is well flexible and behaves ultrasonographically like water. Long linear-array transducers can be coupled easily to irregular surfaces. The high resolution at the near focus of modern transducers can fully be used for demonstration of superficial structures. Indications are discussed.

Abdominal Neoplasms↗
PubMed2025

Approach to the Patient With Primary Hyperparathyroidism in Multiple Endocrine Neoplasia Type 1.

Multiple endocrine neoplasia type 1 (MEN1) is a rare autosomal dominant hereditary disorder in which patients develop multiple endocrine tumors simultaneously. Among these, primary hyperparathyroidism is the most common and often the earliest manifestation. All patients with MEN1 and hypercalcemia should have surgery, with most patients requiring surgical treatment before the age of 50 years. The timing of parathyroid surgery mainly depends on hypercalcemia and the presence of renal or skeletal complications. The goals of treatment are to correct hypercalcemia, prevent target organ damage, and minimize the risk of postoperative hypoparathyroidism as much as possible. Currently, the most widely recommended surgical approach is subtotal parathyroidectomy via the cervical approach (removal of 3 or 3.5 glands). With advances in imaging technology, patients with clearly localized lesions-particularly younger patients-may be candidates for individualized unilateral resection (ie, removal of both glands on the affected side). In addition, recurrent hypercalcemia after surgery is relatively common in patients with MEN1. The management of the remaining glands remains challenging, such patients usually need reoperation, calcimimetic therapy, or clinical observation. For patients requiring repeated parathyroid surgeries, in addition to searching for multifocal lesions, the possibility of ectopic parathyroid glands should also be taken into account. Ectopic parathyroid adenoma, caused by abnormal embryonic migration, complicates surgery in both sporadic and MEN1-related primary hyperparathyroidism. However, in MEN1, their higher frequency and multiglandular distribution make localization even more challenging, often leading to incomplete resection and recurrence.

Humans↗
PubMed1975

Hyperparathyroidism and carcinoid tumor.

Three patients with carcinoid tumor associated with hyperparathyroidism are described. All patients showed a high circulating immunoreactive calcitonin level with no differential increase in the neck venous catheterization specimens, suggesting that the high concentrations of circulating immunoreactive calcitonin may have come from the carcinoid tumor. We think that the hyperparathyroidism in these patients was primary and that the association with carcinoid tumor represents another form of multiple endocrine tumor formation. Hyperparathyroidism should be investigated in patients with carcinoid tumor.

Adenoma↗