International Up-to-date Clinical Channel, IUCC

The stone man disease: fibrodysplasia ossificans progressiva

Fibrodysplasia ossificans progressiva (FOP), also called Münchmeyer disease, is an extremely rare connective tissue disease in which fibrous connective tissue such as muscle, tendons, and ligaments turn into bone tissue. It is the only known medical condition where one organ system changes into another. It is a severe, disabling disorder with no cure or treatment. FOP is caused by a mutation of the gene ACVR1. The mutation affects the body's repair mechanism, causing fibrous tissue including muscle, tendons, and ligaments to become ossified, either spontaneously or when damaged as the result of trauma. In many cases, otherwise minor injuries can cause joints to become permanently fused as new bone forms, replacing the damaged muscle tissue. This new bone formation (known as "heterotopic ossification") eventually forms a secondary skeleton and progressively restricts the patient's ability to move.

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27.2K viewsedited  Sep 3, 2023 at 15:27

The stone man disease: fibrodysplasia ossificans progressiva

Fibrodysplasia ossificans progressiva (FOP), also called Münchmeyer disease, is an extremely rare connective tissue disease in which fibrous connective tissue such as muscle, tendons, and ligaments turn into bone tissue. It is the only known medical condition where one organ system changes into another. It is a severe, disabling disorder with no cure or treatment. FOP is caused by a mutation of the gene ACVR1. The mutation affects the body's repair mechanism, causing fibrous tissue including muscle, tendons, and ligaments to become ossified, either spontaneously or when damaged as the result of trauma. In many cases, otherwise minor injuries can cause joints to become permanently fused as new bone forms, replacing the damaged muscle tissue. This new bone formation (known as "heterotopic ossification") eventually forms a secondary skeleton and progressively restricts the patient's ability to move.

Medical_doctors Channel

BY International Up-to-date Clinical Channel, IUCC