ArticleThe American journal of case reports2018
Carney Syndrome Presented as a Pathological Spine Fracture in a 35-Year-Old Male.
Article in The American journal of case reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 2 of them syntheses that pooled it.
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3 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- The clinical characteristics and pathogenic variants of primary pigmented nodular adrenocortical disease in 210 patients: a systematic review.Frontiers in endocrinology · 2024Pooled it
- Association between subclinical hyperthyroidism and aFrontiers in endocrinology · 2022Pooled it
- Treatment of Primary Pigmented Nodular Adrenocortical Disease.Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme · 2022Review
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2 authors.
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Abstract
BACKGROUND Carney complex (CNC) is a genetic disorder that presents as an adrenocorticotropic hormone (ACTH)-independent variant of endogenous Cushing syndrome. It was first reported in 1985 and was described as a form of multiple endocrine hyperplasia associated with mutations of the c-AMP-dependent protein kinase (PRKAR1A) gene that causes bilateral adrenal hyperplasia. We report a case of an incidentally found CNC in a 35-year-old male, and this case report focuses on the diagnostic scheme as well as the surgical treatment of this rare challenging condition. CASE REPORT A-35-year-old male presented with pathological thoracic spine fracture. The patient exhibited obesity, facial flushing, red-purplish streaks on the abdominal wall, multiple pigmented nevi of the trunk, and hypertension. Family history was positive for cardiac myxoma. Laboratory investigation showed ACTH-independent Cushing syndrome. Abdominal magnetic resonance imaging and computed tomography scan showed bilateral adrenal hyperplasia. The ensuing Liddle test revealed the characteristic paradox increase of 24-hours urine cortisol for CNC. After a bilateral retroperitoneoscopic adrenalectomy, histologic examination confirmed the presence of bilateral primary pigmented nodular adrenocortical disease (PPNAD). Genetic testing revealed a unique mutation of the responsible PRKAR1A gene. CONCLUSIONS CNC presence was suspected due to the family history. Its characteristic pathologic manifestation called PPNAD, clinically presents as an ACTH-independent Cushing syndrome with paradoxical positive response of urinary glucocorticosteroid excretion after dexamethasone administration (Liddle's test). Bilateral retroperitoneoscopic adrenalectomy constitutes an acceptable surgical option for PPNAD.
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