Parathyroid Thermography

Samuels, Barry I; Dowdy, Andrew H.; Lecky, James W.

doi:10.1148/104.3.575

Cited by 28 publications

(5 citation statements)

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“…Palpation and barium swallow have been regarded as routine in the preoperative evaluation of patients with primary hyperparathyroidism, but only localize very large tumors. Thelmography, selenomethionine scintiscanning, and esophageal cineradiography have been the subject of some promising reports [4][5][6][7], but these techniques generally have been regarded as unrewarding. Selective and highly selective arteriography and venous catherterization with blood sampling for parathormone levels may give results that are accurate in up to 90% of patients [8] but such techniques are difficult and time consuming and are not without morbidity.…”

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confidence: 99%

The localization of parathyroid tissue by ultrasound scanning prior to surgery in patients with hyperparathyroidism

et al. 1981

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Ultrasonic localization of parathyroid tissue has been attempted in 24 patients with hyperparathyroidism prior to surgical exploration of the neck. All 24 patients had biochemically proven hyperparathyroidism. Standard contact diagnostic ultrasound equipment fitted with a 5 MHz transducer was used, and transverse and longitudinal scans of the region of the thyroid gland were performed at 5 mm intervals. The normal anatomical structures identified were the lobes of the thyroid gland, trachea, common carotid arteries, and jugular veins. The longus colli muscle on each side was used as a major landmark. These structures define the site where most parathyroid glands are found in the neck. In 18 of the 24 patients the suspected parathyroid tumor was visualized preoperatively and confirmed at operation. The abnormal glands ranged in size from 5 to 12 mm in transverse diameter. In 3 patients false‐positive diagnoses were made by ultrasound; at operation the abnormalities proved to be thyroid nodules protruding from the posterior surface of the thyroid gland. Ultrasonography is of little value in the presence of multinodular goiter. Three adenomas and 3 hyperplastic parathyroid glands greater than 5 mm in diameter were not identified. Localization of enlarged parathyroid glands by echography may be difficult when normal anatomical landmarks are altered by the presence of multinodular goiter or because of previous surgery. The sensitivity of this technique for identifying in the neck parathyroid glands larger than 5 mm in diameter was found to be 79.3% with 11.5% false‐positive and 8.6% falsenegative results.

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The localization of parathyroid tissue by ultrasound scanning prior to surgery in patients with hyperparathyroidism

et al. 1981

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“…There are a limited number of studies in the literature on the location of parathyroid adenomas by thermographic technique. The unique clinical series on this subject belongs to Samules et al The author commented that parathyroid thermography is an incompletely tested procedure, and it may prove efficacious in the presurgical localization of parathyroid adenomas [ 13 , 15 , 16 ].…”

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confidence: 99%

A New Technique for Localization of Parathyroid Adenoma: Infrared Thermal Scanning of the Neck

Şentürk,

Aysan

2023

Cureus

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Many radiological techniques are used to locate the adenoma preoperatively in cases of primary hyperparathyroidism, but the location of many adenomas still cannot be detected. Since adenomas are hypervascular lesions, their temperature is high. Infrared thermal scanning can reveal local temperature differences in hypervascular lesions. The location of the adenoma could not be determined by preoperative radiological examinations in a 58-year-old male patient who was scheduled for surgery with the diagnosis of primary hyperparathyroidism. By infrared thermal scanning, a nearly 2°F higher temperature was measured in the inferior of the right thyroid lobe compared to the other perithyroidal regions. During the exploration, the adenoma was found at this point and removed. Infrared thermal scanning of the neck is promising as a new technique that can be used both preoperatively and intraoperatively to locate the adenoma in primary hyperparathyroidism cases.

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“…Numerous imaging modalities have been employed to locate enlarged parathyroid glands prior to surgical exploration of the neck in patients with primary hyperparathyroidism. These include barium swallow, thermography, 75Se-Selenomethionine scanning, arteriography, selective venous sampling for parathyroid hormone, computed tomography, and conventional static B-mode ultrasonography [1][2][3][4][5][6][7]. Their number and diversity attest to the fact that none has acquired universal acceptance, either because the procedure itself is invasive and carries a risk of complications or because the results are not very accurate.…”

Section: Hyperparathyroidismmentioning

confidence: 99%

The Radiologist's role in acute endocrine problems

1982

World j. surg.

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Ultrasound and computed tomography have had an enormous impact on the imaging procedures used in the detection of tumors of the parathyroids, pancreas, and adrenals. Ultrasound is now the examination of choice in localizing parathyroid adenomas in the neck prior to cervical exploration or after unsuccessful exploration. Its role as a screening test in patients without biochemical confirmation of hyperparathyroidism awaits further study. Computed tomography is useful in identifying mediastinal parathyroid adenomas in patients who have had unsuccessful neck explorations and islet-cell tumors of the pancreas if they are sufficiently large (greater than 2 cm). Angiography remains the most accurate method of localizing insulinomas prior to surgery. Computed tomography scanning has become the procedure of choice in localizing adrenal tumors and has sufficient sensitivity to be used as a screening test in patients without biochemical confirmation of an adrenal abnormality.

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Parathyroid Thermography

Cited by 28 publications

References 0 publications

The localization of parathyroid tissue by ultrasound scanning prior to surgery in patients with hyperparathyroidism

The localization of parathyroid tissue by ultrasound scanning prior to surgery in patients with hyperparathyroidism

A New Technique for Localization of Parathyroid Adenoma: Infrared Thermal Scanning of the Neck

The Radiologist's role in acute endocrine problems

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