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Case reports
versão impressa ISSN 2462-8522
Resumo
DIAZ-BROCHERO, Cándida et al. PSEUDOHYPOPARATHYROIDISM: AN ENDOCRINE ORPHAN DISEASE. CASE REPORT. Case reports [online]. 2022, vol.8, n.2, pp.1-. Epub 21-Dez-2023. ISSN 2462-8522. https://doi.org/10.15446/cr.v8n2.93719.
Introduction:
Pseudohypoparathyroidism (PHP) is a heterogeneous group of rare endocrine disorders characterized by resistance to the parathyroid hormone. There are few reports on PHP in Colombia, so the publication of the present case contributes to increase the interest in its research in the clinical setting.
Case presentation:
An 18-year-old male with a history of hypothyroidism diagnosed at 4 months of age, stunted growth, delayed puberty, obesity, brachydactyly, pathologic fractures, femoral osteochondroma, insomnia, paresthesia, and chronic constipation was referred to the endocrinology service of a tertiary care center in Bogotá (Colombia) after being hospitalized following a seizure episode. On admission, laboratory tests revealed hypocalcemia, hyperphosphatemia, 25-hydroxy vitamin D in the range of insufficiency and elevated PTH. Imaging studies showed heterotopic ossifications and calcifications of the basal ganglia. A genetic study confirmed the diagnosis of PHP1A, so treatment was started with calcium, cholecalciferol and phosphorus chelators, leading to a satisfactory course. Both the patient and his first-degree relatives received genetic counseling and interdisciplinary assessment.
Conclusion:
Although PHP type 1A is an unrecognized complex genetic disorder, it has a critical clinical importance within the differential diagnoses of hypocalcemia.
Without prompt diagnosis and treatment, patients may experience serious and potentially fatal metabolic consequences.
Palavras-chave : Hypocalcemia; Parathyroid Hormone; Pseudohypoparathyroidism.