Cases reported "Parathyroid Diseases"

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1/49. Mediastinal parathyroid cysts revisited.

    BACKGROUND: A case of a functioning mediastinal cyst is presented. methods: A comprehensive review of the literature found 93 patients in whom a parathyroid cyst or cysts extended into, or was completely contained within, the mediastinum. Including our patient, there were 46 men and 45 women, and the gender was not recorded in three. RESULTS: The cysts were located in the anterosuperior region in 56 patients, in the middle region of the mediastinum in 26, and in the anterior, prevascular region in 12. Thirty-nine patients had functioning cysts associated with hyperparathyroidism of varying severity; seven patients presented with a hypercalcemic crisis. Local symptomatology consisted of a neck mass, respiratory distress, and occasional dysphagia or chest pain. recurrent laryngeal nerve paresis was present in nine patients, and innominate vein compression or thrombosis was present in two. The cysts in all but four patients were treated by open surgical excision; two were treated by thoracoscopy, and two patients only had fine-needle aspiration of the cyst. The cyst was excised via a cervical approach in 67 patients and by a thoracotomy or median sternotomy or a variation thereof in 23. There was no operative mortality and morbidity was minimal. CONCLUSION: Surgical resection was successful in all and remains the treatment of choice for mediastinal parathyroid cysts.
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keywords = neck
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2/49. Parathyroid cyst: a rare cause of an anterior neck mass.

    Parathyroid cysts are rare. Most of them present in the anterior neck as cystic neck swellings. A case of cervical parathyroid cyst is presented, along with a brief review of the literature regarding the aetiology, clinical features, diagnosis and management of this condition.
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keywords = neck
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3/49. A benign parathyroid cyst presenting with hoarse voice.

    Parathyroid tumours and cysts are rare and, when presenting as neck masses, can be clinically misdiagnosed as thyroid lesions. Symptoms may be caused by compression of the surrounding structures or hormonal overactivity. This paper describes a patient with recurrent hoarseness owing to the pressure effects of a parathyroid cyst on the recurrent laryngeal nerve.
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keywords = neck
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4/49. Acute extracapsular parathyroid hemorrhage: case report and review of the literature.

    OBJECTIVE: To describe a patient with extracapsular parathyroid hemorrhage and review the signs and symptoms of this condition. methods: We report a case of extracapsular parathyroid hemorrhage in a patient with primary hyperparathyroidism and present an overview of previously reported cases. RESULTS: A 48-year-old woman with documented primary hyperparathyroidism, who was awaiting surgical intervention, had acute onset of a neck mass, neck pain, and dysphagia. She was found to have sustained a spontaneous extracapsular hemorrhage of a parathyroid adenoma. hypercalcemia persisted, and she subsequently underwent curative parathyroidectomy for the primary hyperparathyroidism. We also identified 15 previously reported cases of extracapsular parathyroid hemorrhage and summarized the most common manifestations-most notably, a neck mass or swelling, ecchymoses of the neck and chest, dysphagia, neck pain, hoarseness, and dyspnea. CONCLUSION: Clinicians should be aware of the potential for occurrence of extracapsular parathyroid hemorrhage in patients with primary hyperparathyroidism. When this condition occurs, severe hypercalcemia or acute hypocalcemia may be present. hypercalcemia is often persistent; however, autoinfarction of the parathyroid adenoma is possible.
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ranking = 5
keywords = neck
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5/49. Parathyromatosis as cause of recurrent secondary hyperparathyroidism: a cytologic diagnosis.

    Parathyromatosis is a rare cause of hyperparathyroidism. It can be divided into two types: primary and secondary. The pathologic lesion consists of multiple small nodules of hypercellular parathyroid tissue strewn in soft tissue (fat, skeletal muscle, fibrous tissue) of the neck. We present a case of parathyromatosis occurring in a patient with recurrent secondary hyperparathyroidism 4 yr after parathyroidectomy. The diagnosis was confirmed preoperatively by fine-needle aspiration of one of several neck masses.
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ranking = 2
keywords = neck
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6/49. Parathyroid cyst, a case report and review of the literature.

    Parathyroid cysts are rare, representing 1% of all neck swellings. A correct preoperative diagnosis is rarely formulated, especially because of the non-specific clinical and ultrasonographic findings; for this reason, patients are often submitted to surgery for thyroid nodules. In the present report we describe a case where the preoperative diagnosis was correctly formulated following the aspiration and PTH assay of clear, colorless, watery fluid from the cyst. While cyst aspiration is considered the elective treatment for these lesions, recurrences being uncommon, surgery was indicated in the present case because of two recurrences after aspiration and the onset of compressive symptoms. Cystic masses of the neck should be accurately diagnosed to recognize their true nature and to allow their correct and non-invasive treatment: surgery is indicated only when recurrences and symptoms are present. Indications for aspiration of all solitary cysts of the neck should be considered to correctly identify their nature.
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ranking = 3
keywords = neck
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7/49. Surgical management of recurrent parathyroid cyst.

    Parathyroid cysts are rare lesions of uncertain embryological origin, usually presenting as a painless mass in the lower part of the neck. Clinical presentation usually mimics a thyroid nodule, and fine needle aspiration with demonstration of high parathyroid hormone levels in fluid is often required to establish the diagnosis. In addition to difficulty in diagnosis, the best treatment for these uncommon lesions remains controversial. We present a case of recurrent parathyroid cyst after several fine needle aspirations managed by surgery, and discuss the relevant associated literature.
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ranking = 1
keywords = neck
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8/49. Parathyroid cysts: a case report and review of the literature.

    OBJECTIVES/HYPOTHESIS: Parathyroid cysts are rare clinical entities. They frequently present as a clinical diagnostic problem. They may mimic solitary thyroid nodules. The purpose of the study was to review the literature and present a case of a 22-year-old euthyroid woman presenting with recurrent swelling in the neck. Her complaints included choking and dysphagia. Fine-needle aspiration of the mass revealed clear, watery fluid with an extremely high level of calcium and c-terminal midmolecule parathyroid hormone assay in excess of 8000 pg/mL. Treatment consisted of neck exploration and removal of a 6 x 5-cm cystic encapsulated mass. Pathological diagnosis revealed a benign parathyroid cyst. The role of needle aspiration in diagnosing thyroid masses and the importance of parathyroid hormone assay in diagnosing parathyroid cyst are emphasized.
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ranking = 2
keywords = neck
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9/49. Mediastinal parathyroid cyst with tracheal constriction.

    A 63-year-old man visiting a physician for slight dyspnea, attributed to a lump on his neck, was found in ultrasonography and computed tomography to have a cyst extending from the left lobe of the thyroid gland to the superior mediastinum. radiography showed right deviation of the trachea. The cyst disappeared after fine-needle aspiration, but cyst fluid subsequently reaccumulated and he was admitted to our hospital. No abnormalities were detected in tests of thyroid and parathyroid function or blood chemical analysis. The cyst was surgically removed and diagnosed as a nonfunctioning parathyroid cyst, based on the high-intact parathyroid hormone in cyst fluid. The patient recovered fully and has shown no recurrence in the 11 months to data since surgery.
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ranking = 1
keywords = neck
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10/49. myositis ossificans progressiva with parathyroid hyperplasia and polycystic ovary.

    A report was made on an autopsy case of myositis ossificans progressiva in a girl who died at the age of 8 year and 11 months. The first symptom appeared as right wryneck ten days after birth. Parathyroid hyperplasia and polycystic ovary with high level of serum parathyroid hormone, FSH and LH were confirmed at autopsy. Parathyroid hyperactivity might be a secondary response to the continuous stimulation by increased peripheral consumption of calcium ions due to relentlessly progressive ossification in fibrous connective tissue.
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