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- Title
Primary Hyperparathyroidism and Hyperthyroidism in a Patient with Myotonic Dystrophy: A Case Report and Review of the Literature.
- Authors
Cherif, Yosra; Zantour, Baha; Alaya, Wafa; Berriche, Olfa; Younes, Samia; Sfar, Mohamed Habib
- Abstract
Various endocrine manifestations are commonly described in myotonic dystrophy (MD), including primary hypogonadism, diabetes mellitus, and thyroid and parathyroid dysfunction. We describe a 46-year-old woman with a family history of MD with her son. She was diagnosed with cardiac arrhythmia and required the implantation of a pacemaker. She was noted to have a bilateral cataract. She complained of muscle weakness, diffuse myalgia, and palpitation. The electromyography (EMG) showed myotonic discharges. Laboratory tests showed high serum calcium 2.83 mmol/L, serum phosphate 1.2 mmol/L, parathormone 362.5 pg/mL, thyroid stimulating hormone TSH 0.02 mIU/L (normal range: 0.34–5.6 mIU/L), FT4 21.17 ng/mL, and negative anti-thyroperoxidase antibodies. Cervical ultrasound revealed a multinodular goiter. The 99mTc-MIBI scintigraphy localized a lower right parathyroid adenoma. The clinical data, the family history of MD, EMG data, and endocrine disturbances were strongly suggestive of MD associated with hyperthyroidism and primary hyperparathyroidism.
- Subjects
HYPERPARATHYROIDISM; HYPERTHYROIDISM; MYOTONIA atrophica; PEOPLE with diabetes; FAMILY history (Medicine); CARDIAC pacemakers; PATIENTS
- Publication
Case Reports in Endocrinology, 2015, Vol 2015, p1
- ISSN
2090-6501
- Publication type
Article
- DOI
10.1155/2015/735868