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Department of Post-Baccalaureate Medicine, National Chung Hsing University, Taichung, Taiwan
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Division of Endocrinology and Metabolism, Department of Internal Medicine, Tungs' Taichung MetroHarbor Hospital, Taichung, Taiwan
Department of Post-Baccalaureate Medicine, National Chung Hsing University, Taichung, Taiwan
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Summary
A 69-year-old woman presented with weight loss, fever, dizziness, exertional dyspnea, and drenching night sweats. Imaging showed a thyroid goiter at the left lobe that measured 5.6 × 3.4 × 3.5 cm in size. On computed tomography, she was found to have large adrenal masses. Core needle biopsy of the left thyroid mass revealed the presence of a mucosa-associated lymphoid tissue extranodal marginal zone B cell lymphoma. Non-Hodgkin’s lymphomas (NHL) typically develop in lymph nodes or other lymphatic tissues. There have been cases where the thyroid has been affected, and the secondary involvement of the adrenal gland is common. In reported cases, 7–59% of patients with NHL exhibited symptoms of thyroid dysfunction. Our patient presented no symptoms of thyroid dysfunction or Hashimoto’s thyroiditis. The patient had bilateral adrenal lymphomas that led to adrenal insufficiency. Immunochemotherapy provided a good response in this case, as seen by the rapid improvement in thyroid and adrenal mass on follow-up PET/CT.
Learning points
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Thyroid lymphoma requires a high index of suspicion for diagnosis in patients with a rapidly growing thyroid tumor, even in the absence of chronic inflammatory thyroid disease.
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Depending on the extent of involvement, adrenal lymphoma may rapidly cause adrenal insufficiency.
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In the setting of acute illness, appropriate levels of plasma cortisol are often unclear, necessitating early initiation of glucocorticoid therapy based on clinical suspicion, especially when features like bilateral adrenal masses and elevated ACTH levels are present.
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Treatment modalities include chemotherapy and radiation therapy for localized lesions, together with hormone replacement for organ dysfunction.
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The origin of the tumor influences the clinical outcome of patients with lymphoma simultaneously involving the thyroid and adrenal glands.
