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Acute airway compromise after recombinant human TSH administration: A case report and review of the literature.
Dowling, E, Kasperbauer, J, Morris, J, Bayan, S
The Laryngoscope. 2020;(11):2725-2727
Abstract
Radioiodine ablation is a commonly utilized treatment for differentiated thyroid carcinoma. Uptake of radioiodine can be enhanced by pretreatment with thyroid hormone withdrawal or administration of recombinant human thyroid-stimulating hormone (rhTSH). rhTSH is generally well-tolerated with minimal adverse effects. However, in patients with extensive tumor burden in confined anatomic spaces, rapid enlargement of normal or neoplastic thyroid tissue secondary to rhTSH administration can result in significant compressive effects. In this report, we describe a case of rapid airway deterioration requiring intubation in a patient with involvement of the thyroid cartilage by papillary thyroid carcinoma. Laryngoscope, 122:0000-0000, 2019 Laryngoscope, 130:2725-2727, 2020.
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Significant response of pituitary carcinoma to carboplatin, leucovorin and fluorouracil chemotherapy: a pediatric case report and review of the literature.
AbdelBaki, MS, Waguespack, SG, Salceda, V, Jones, J, Stapleton, SL, Baskin, DS, Okcu, MF
Journal of neuro-oncology. 2017;(1):213-215
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Incidentally Visualization of the Thymus on Whole-Body Iodine Scintigraphy: Report of 2 Cases and Review of the Latest Insights.
Haghighatafshar, M, Farhoudi, F
Medicine. 2015;(26):e1015
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Abstract
Radioiodine uptake is not commonly seen by the thymus gland. On the contrary, the gland is slowly replaced by fat after puberty. Herein, we present 2 patients with papillary thyroid carcinoma, follicular variant, and cervical lymph node involvement. After total/near-total thyroidectomy, the patients received I for ablation therapy. On posttreatment radioiodine scintigraphy, mediastinal I uptake was noted that finally was histologically/anatomically diagnosed as thymus gland uptake. It should be borne in mind as a potential cause of false-positive whole-body I scintigraphy.
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Development of Wernicke encephalopathy in a terminally ill cancer patient consuming an adequate diet: a case report and review of the literature.
Yae, S, Okuno, S, Onishi, H, Kawanishi, C
Palliative & supportive care. 2005;(4):333-5
Abstract
Malignancy-associated primary thiamine deficiency has been documented in several experimental tumors, clinical case reports, and in patients with fast growing malignancies. We report a terminally ill cancer patient who developed delirium. Close examination of the patient demonstrated that delirium was caused by thiamine deficiency, although she had been consuming an average of 990 cal/day for the past 3 weeks. Malabsorption or consumption by the tumor was considered the mechanism of thiamine deficiency. Early recognition and subsequent treatment resulted in successful palliation of delirium. In terminally ill cancer patients, clinicians must remain aware of the possibility of Wernicke's encephalopathy, when the patients develop unexplained delirium, even if the patient has been consuming adequate amounts of food. Early intervention may correct the symptoms and prevent irreversible brain damage, and the quality of life for the patient may improve.
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Concomitant hyperparathyroidism and nonmedullary thyroid cancer, with a review of the literature.
Leitha, T, Staudenherz, A
Clinical nuclear medicine. 2003;(2):113-7
Abstract
PURPOSE Primary hyperparathyroidism and concomitant thyroid cancer is a rare and complicated setting for diagnostic imaging. MATERIALS AND METHODS The authors report the accidental finding of primary hyperparathyroidism in a patient with rapid enlargement of a thyroid nodule and the results of a literature review. RESULTS Tl-201-Tc-99m subtraction scintigraphy correctly revealed the malignant nature of a large cold thyroid nodule and mediastinal parathyroid hyperplasia. In contrast, high-resolution ultrasound indicated a retrothyroidal hyperplastic parathyroid gland. Surgery followed the findings of the preoperative ultrasound and intraoperative biopsy, yet hyperparathyroid disease persisted. Repeated scintigraphy confirmed an ectopic parathyroid gland, which was resected from a paraesophageal location. Subsequently, hormone and calcium levels returned to normal and remained normal during a follow-up period of 3 years. A literature review revealed a prevalence of approximately 3% of nonmedullary thyroid cancer, which was found in patients operated on for primary hyperparathyroidism. Previous neck irradiation, especially in childhood, appears to be a risk factor for the development of both nonmedullary thyroid carcinoma and for primary hyperparathyroid disease. CONCLUSIONS This case illustrates the need for clinical awareness of concomitant hyperparathyroidism and nonmedullary thyroid cancer and is substantiated with published case reviews. The preoperative scintigraphic localization of hyperfunctioning parathyroid tissue, although not advised as a routine procedure, may provide diagnostic information in addition to high-resolution ultrasound and intraoperative biopsy. In addition, scintigraphy can be useful even in the technically difficult setting of concomitant thyroid cancer.