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Abstract
Introduction  Lymphadenectomy and thyroidectomy is standard treatment for medullary thyroid carcinoma (MTC), but the prognostic importance
of the number of lymph nodes removed (lymph node yield, LNY) and the proportion of metastatic lymph nodes resected (metastatic
lymph node ratio, MLNR) is unknown. We hypothesized that MTC survival is influenced by LNY and MLNR.

Methods  Patients (N = 534) who underwent thyroidectomy with lymphadenectomy for MTC between 1988 and 2004 were identified in the Surveillance,

Abstract
Background  Papillary carcinoma with clinically apparent node metastasis but lacking a primary carcinoma lesion in the thyroid is designated
as occult papillary carcinoma. In the era of routine ultrasonographic examination, occult papillary carcinoma is defined as
papillary carcinoma with clinically apparent node metastasis but showing a primary lesion that is microscopic or overlooked
by ultrasonography. In this study we investigated the prevalence and clinicopathologic features, including prognosis, of occult
papillary carcinoma.

Abstract  Patients undergoing malabsorptive weight-loss procedures are at increased risk of calcium and vitamin D deficiency. Thyroidectomy
carries the risk of both immediate and long-term hypocalcemia. Here we describe a patient who underwent Roux-en-Y gastric
bypass (RYGB) and subsequent near-total thyroidectomy and then developed refractory hypocalcemia. Serum calcium reached a

Abstract
Background  Chyle leakage is an uncommon complication of lateral neck dissection for metastatic papillary thyroid carcinoma (PTC). There
have been no reports on chyle leakage after central neck dissection not combined with lateral neck dissection. We therefore
investigated chyle leakage in PTC patients undergoing thyroidectomy and central neck dissection.

Methods  A total of 283 new patients with differentiated PTC underwent total thyroidectomy plus central neck dissection. The amount

Abstract
Background and aims  The role of central neck dissection in the treatment of papillary thyroid carcinoma is debated. This retrospective investigation
was undertaken to assess whether it augments total thyroidectomy morbidity.

Patients/methods  A total of 305 consecutive patients who had undergone total thyroidectomy for papillary thyroid carcinoma were divided into

Thyroidectomies from patients with history of therapeutic radiation during childhood and adolescence have a unique mutational profile

Modern Pathology advance online publication, June 27, 2008. doi:10.1038/modpathol.2008.122

Authors: Adel Assaad, Laura Voeghtly
& Jennifer L Hunt (Source: Modern Pathology AOP)  MedWorm Sponsored Message: Find out how you can get your message across here by sponsoring this MedWorm news feed.

Abstract  A 44-year-old woman came to medical attention with right thyroid lobe enlargement and weight loss. Thyroid scan and ultrasound
demonstrated a nodule in the right thyroid lobe; a right hemithyroidectomy was performed. Histologic examination documented
granulomatous and lymphocytic thyroiditis associated with a follicular adenoma. No inflammation was apparent within the adenoma.
The parallels between granulomatous thyroiditis and lymphocytic thyroiditis, including presumed viral initiation and deranged

Abstract
Background  In surgery for primary hyperparathyroidism, preoperative localization together with intraoperative parathyroid hormone assay
is important when minimal invasive operations of the parathyroid glands are intended. In cases of reoperation, correct localization
of the abnormal parathyroid glands is extremely instrumental. Computed tomography (CT)–99mTc-sestamibi (MIBI)–single photon emission computed tomography (SPECT) image fusion allows for a virtual exploration of the

Background: Autoimmune diseases have been implicated in the genesis of MALT lymphoma of various localizations. The development of thyroidal MALT lymphoma has been described as an adverse event in patients suffering from long-standing chronic autoimmune thyroiditis (CAT, Hashimoto's thyroiditis). The percentage and possible association between CAT and extrathyroidal MALT lymphoma, however, have not been assessed so far.

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