The topic Nora’s Lesion you are seeking is a synonym, or alternative name, or is closely related to the medical condition Bizarre Parosteal Osteochondromatous Proliferation.

Quick Summary:

• Bizarre Parosteal Osteochondromatous Proliferation (BPOP) is an uncommon, benign bone tumor that grows outward affecting the bone cartilage and cortex (the surface of the bone). Even though benign, BPOP is generally painful and exhibits rapid growth and local aggression. The tumor is also referred to as Nora’s Lesion
• It can affect individuals of a wide age group, though young adults form the frequently affected subset of individuals. The common sites of this tumor include the small bones of the extremities (hands and feet), and sometimes, the skull bones
• Bizarre Parosteal Osteochondromatous Proliferation can be diagnostically-challenging, since it may resemble malignant bone tumors such as osteosarcoma or chondrosarcoma. Due to this, a tissue biopsy of the affected bone is necessary to establish a definitive diagnosis of the tumor
• Bizarre Parosteal Osteochondromatous Proliferation can be worrisome for both the healthcare seeker and healthcare provider. The tumor recurrence rate is high and generally extensive or multiple surgeries may be required to remove the tumor completely; in some cases, amputation of the affected digit or limb may be undertaken
• The prognosis of Bizarre Parosteal Osteochondromatous Proliferation with adequate surgical treatment is typically good. However, the tumor is known to reappear in nearly half the number of patients

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