Conditions / Genetic

diaphyseal medullary stenosis with malignant fibrous histiocytoma

info ยท Genetic

An osteochondrodysplasia that is characterized by pathologic fractures due to abnormal cortical growth and diaphyseal medullary stenosis and that has_material_basis_in heterozygous mutation in the MTAP gene on chromosome 9p21.

Signs and symptoms

  • Skeletal muscle atrophy
  • Patchy osteosclerosis
  • Presenile cataracts
  • Diaphyseal cortical sclerosis
  • Osteomyelitis leading to amputation due to slow healing fractures
  • Recurrent long bone fractures
  • Limb muscle weakness
  • Metaphyseal striations
  • Fibrosarcoma
  • Stenosis of the medullary cavity of the long bones

Also known as: Hardcastle syndrome; bone dysplasia-medullary fibrosarcoma syndrome; diaphyseal medullary stenosis-malignant fibrous histiocytoma syndrome