eISSN: 2083-8441
ISSN: 2081-237X
Pediatric Endocrinology Diabetes and Metabolism
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4/2020
vol. 26
 
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abstract:
Case report

Bilateral slipped capital femoral epiphysis as first manifestation of primary hyperparathyroidism in a 15-year-old boy

Dorota Roztoczyńska
1
,
Małgorzata Wójcik
1
,
Aleksander Konturek
2
,
Anna Nogieć
3
,
Alicja Hubalewska-Dydejczyk
4
,
Jerzy B. Starzyk
1, 5

1.
Department of Pediatric and Adolescent Endocrinology, University Children’s Hospital of Krakow, Poland
2.
Department of Endocrinological Surgery, Third Chair of General Surgery, Medical Faculty, Jagiellonian University Medical College, Krakow, Poland
3.
Laboratory of Genetic Studies, Clinical Department of Endocrinology, University Hospital, Krakow, Poland
4.
Chair and Department of Endocrinology, Faculty of Medicine, Jagiellonian University Medical College, Krakow, Poland
5.
Department of Pediatric and Adolescent Endocrinology, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow, Poland
Pediatr Endocrinol Diabetes Metab 2020; 26 (4): 220–224
Online publish date: 2020/11/27
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Abstract
Primary hyperparathyroidism (PHP) in children is a rare condition and has a very dynamic course with nonspecific symptoms, what complicates the diagnosis and delays PHP treatment.

Case presentation
A 15-year-old boy was admitted to the Orthopedic Ward with the diagnosis of juvenile bilateral slipped capital femoral epiphysis and valgus deformities. Gait disturbances, limb pains and valgus knee deformities, polyuria, polydipsia and weight loss, have been increasing for 8 months. Despite the hypercalcemia found in laboratory tests and bone destruction demonstrated in computed tomography of the hips, orthopedic correction was performed. In histopathological examination -brown bone tumors. The PTH concentration was determined (PTH – 589.1 pg/ml; (N: 10–60) and the child was referred to the Department of Pediatric Endocrinology, where severe hypercalcemia (Ca – 4.07 mmol/l, N: 2.2–2.84) and hypophosphatemia (P – 0.68 mmol/l; N: 0.95–1.75) and adenoma of the left lower parathyroid gland was diagnosed. Forced diuresis, loop diuretics and pamidronic acid were used to obtain normocalcemia. The complications of hypercalcemia were excluded; diagnostic management excluding multiple endocrine neoplasia type 1 and 2a (MEN 1 and MEN 2A) syndrome were performed. The child was referred to the Department of Endocrinological Surgery, where the adenoma of the left inferior parathyroid gland was resected.

Conclusions
1) Patients with PHP should be diagnosed of the condition based on clinical symptoms. In patients with specific symptoms, it is necessary to determine serum Ca levels, especially prior to the surgical procedures. 2) In each case of PHP, determinations should be made of blood PTH, Ca and P and detection of MEN 1 and MEN 2A syndromes. 3) Patients with hyperparathyroidism require management of multiorgan complications of hypercalcemia. 4) Following surgical treatment of parathyroid adenoma, long-term endocrinological follow-up is necessary.

keywords:

parathyroid glands, adenoma, parathyroidectomy

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