Juvenile hyaline fibromatosis: a report of two severe cases

C D Bedford1, J A Sills, D Sommelet-Olive

  • 1Royal Liverpool Children's Hospital, England.

The Journal of Pediatrics
|September 1, 1991
PubMed

Insights

Juvenile hyaline fibromatosis is a rare genetic disorder causing severe joint contractures, skin lesions, and growth issues. This study describes two cases with fatal outcomes due to recurrent infections in early infancy.

Area of Science:

  • Genetics
  • Pediatrics
  • Dermatology

Background:

  • Juvenile hyaline fibromatosis (JHF) is a rare, autosomal recessive disorder.
  • Characterized by the proliferation of fibrous tissue with a glassy (hyaline) appearance.
  • Typically presents in infancy or early childhood with characteristic skin nodules and joint limitations.

Observation:

  • Two unrelated female infants presented with severe JHF.
  • Clinical manifestations included painful flexion contractures of all major joints.
  • Additional findings were oral and skin lesions, osteolytic bone defects, marked growth retardation, and recurrent infections.

Findings:

  • Both patients exhibited the severe phenotype of JHF.
  • The severe growth retardation and recurrent infections contributed to a poor prognosis.
  • Overwhelming infection led to the death of both children in early infancy.

Implications:

  • Highlights the severe and potentially fatal course of JHF, especially with complications like infections.
  • Emphasizes the need for early diagnosis and comprehensive management strategies for JHF patients.
  • Suggests a potential link between the severity of JHF and susceptibility to infections, warranting further investigation.

Related Concept Videos

Lethal Alleles02:41

Lethal Alleles

Agouti: A Lethal Allele
Lucien Cuénot discovered lethal alleles in 1905 while studying the inheritance of coat color in mice. The agouti gene is responsible for the color of the coat in mice. This gene codes for an agouti-signaling protein, which is responsible for melanin distribution in mammals. The wild-type allele gives rise to gray-brown coat color in mice, while the mutant allele gives rise to yellow coat color. In addition to coat color, the agouti gene is associated with the yellow...
Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Disorders of the Skeletal Muscle01:28

Disorders of the Skeletal Muscle

The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
Pulmonary Hypertension: Classification and Pathogenesis01:30

Pulmonary Hypertension: Classification and Pathogenesis

Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...