I
Insight Horizon Media

What causes hypertrophic osteoarthropathy?

Author

Sarah Cherry

Published Feb 12, 2026

What causes hypertrophic osteoarthropathy?

Hypertrophic osteoarthropathy (HOA) is mainly caused by mainly fibrovascular proliferation. It is characterized by a combination of clinical findings, including severe disabling arthralgia and arthritis, digital clubbing, and periostosis of tubular bones with or without synovial effusion.

How is hypertrophic osteoarthropathy diagnosed?

The diagnostic criteria for hypertrophic osteoarthropathy (HOA) include clubbing and periostosis of the tubular bones. Three incomplete forms of hypertrophic osteoarthropathy are described: Clubbing alone. Periostosis without clubbing in the setting of an illness known to be associated with HOA.

What is primary hypertrophic osteoarthropathy?

The primary hypertrophic osteoarthropathy (pachydermoperiostosis) is a hereditary disease characterized by skin thickening (pachydermia), finger clubbing, and proliferation of periosteum (periostitis) with subperiosteal new bone formation.

What is hypertrophic arthropathy?

Hypertrophic osteoarthropathy (HOA) is a syndrome characterized by clubbing of the digits, periostitis of the long (tubular) bones, and arthritis. It is also known as pachydermoperiostosis (PDP). HOA can be primary (hereditary or idiopathic) or secondary.

Is clubbing the same as hypertrophic osteoarthropathy?

Clubbing is the physical sign that alerts the clinician to the possibility of hypertrophic osteoarthropathy, and this should be distinguished from pseudo-clubbing (seen in secondary hyperparathyroidism associated with chronic kidney disease, scleroderma, sarcoidosis).

Is hypertrophic osteoarthropathy Painful?

Patients with hypertrophic osteoarthropathy due to neoplastic or inflammatory pulmonary conditions typically report pain and swelling in joints and long bones. Joint symptoms can range from mild to severe arthralgias, and it can involve the small and large joints [1].

What is degenerative osteoarthropathy?

Degenerative osteoarthropathy is one of the leading causes of the pain and disability from musculoskeletal disease in the adult population. Magnetic resonance imaging (MRI) allows optimal visualization of all tissues involved in degenerative osteoarthritis disease process, mainly the articular cartilage.

What is Osteoarthropathy?

Medical Definition of osteoarthropathy : a disease of joints or bones specifically : hypertrophic osteoarthropathy. — called also acropachy.

What does clubbing mean in medical terms?

Definition. Clubbing is a physical sign characterized by bulbous enlargement of the ends of one or more fingers or toes (Figure 44.1). Proliferation and edema of connective tissue result in loss of the normal angle between the skin and nail plate and excessive sponginess of the nail base.

What are the grades of clubbing?

It can be graded into 5 stages i.e. Grade 1: fluctuation and softening of the nail bed, Grade 2: increase of the hyponychial angle, Grade 3: accentuated convexity of the nail, Grade 4: clubbed appearance of the fingertip, and Grade 5: development of a shiny or glossy change in nail and adjacent skin1.

How is Osteoarthropathy treated?

Primary hypertrophic osteoarthropathy Medical care is palliative and includes nonsteroidal anti-inflammatory drugs (NSAIDs), corticosteroids, tamoxifen, retinoids, and risedronate to alleviate the painful polyarthritis/osteoarthropathy. Colchicine may be helpful for the pain due to subperiosteal new bone formation.

Is clubbing reversible?

Clubbing is usually acquired and is associated with certain cardiopulmonary and gastrointestinal disorders, but may occur in congenital or familial forms. Acropachy is an alternative term for clubbing. Acquired clubbing is often reversible when the associated condition is treated successfully.