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A case of juvenile hyaline fibromatosis
Savaş Yayli1, Sibel Uncu, Köksal Alpay
1Department of Dermatology, Medicine Faculty of Karadeniz Technical University, Trabzon, Turkey. savas_an@yahoo.com
Insights
Juvenile hyaline fibromatosis (JHF) is a rare genetic disorder causing skin lesions and tissue masses. This case report details a 14-month-old boy diagnosed with JHF, highlighting its characteristic symptoms and histopathology.
Area of Science:
- Dermatology
- Genetics
- Pathology
Background:
- Juvenile hyaline fibromatosis (JHF) is a rare, autosomal recessive disorder.
- Characterized by papulonodular skin lesions, soft tissue masses, joint contractures, gingival hypertrophy, and osteolytic bone lesions.
- Onset typically occurs in infancy or early childhood.
Observation:
- A 14-month-old boy presented with characteristic JHF symptoms.
- Lesions included confluent pink papules on the face and nodular lesions in periauricular and perianal areas.
- The patient exhibited gingival hypertrophy and joint contractures, with a history of consanguineous parents.
Findings:
- Histopathological examination confirmed JHF.
- Findings included increased fibroblasts within a hyalinized connective tissue stroma.
- The accumulation of amorphous hyaline material is a hallmark of JHF.
Implications:
- This case reinforces the clinical and histopathological diagnostic criteria for JHF.
- Understanding JHF aids in early diagnosis and management of affected children.
- Further research into the genetic basis and treatment options for JHF is warranted.
Abstract:
Juvenile hyaline fibromatosis (JHF) is a rare, autosomally-recessive disease characterized by papulonodular skin lesions, soft tissue masses, joint contractures, gingival hypertrophy and osteolytic bone lesions. Its onset is in infancy or early childhood. The most commonly affected sites are the nose, chin, ears, scalp, back and knees. The accumulation of an amorphous, hyaline material is typical in the skin and the other organs. Herein, we report a 14-month-old boy who presented with confluent pink papules on the paranasal folds and the chin, and nodular lesions on the periauricular and perianal regions. He had gingival hypertrophy and contractures of the shoulders, knees and elbows. He also had third-degree consanguineous parents. Histopathological studies confirmed the diagnosis of JHF with the presence of increased numbers of fibroblasts embedded in a hyalinized connective tissue stroma.
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