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Hypertrophic osteoarthropathy and related conditions
Research Guide
What is Hypertrophic osteoarthropathy and related conditions?
Hypertrophic osteoarthropathy and related conditions refer to a cluster of disorders including primary hypertrophic osteoarthropathy, pachydermoperiostosis, digital clubbing, and small intestinal ulceration, characterized by genetic mutations, pathophysiology involving the prostaglandin transporter gene SLCO2A1, and vascular endothelial growth factor, with distinct clinical features and treatment approaches.
This field encompasses 10,987 published works on primary hypertrophic osteoarthropathy and related conditions such as pachydermoperiostosis, digital clubbing, and small intestinal ulceration. Research examines genetic mutations, pathophysiology, clinical features, and treatment options, emphasizing the prostaglandin transporter gene SLCO2A1 and vascular endothelial growth factor. Growth rate over the past 5 years is not available in the provided data.
Topic Hierarchy
Research Sub-Topics
Primary Hypertrophic Osteoarthropathy
Researchers study the genetic basis, clinical spectrum, and pathophysiology of primary hypertrophic osteoarthropathy (PHO), including pachydermoperiostosis. Focus includes bone, skin, and digital changes without underlying disease.
SLCO2A1 Mutations in Osteoarthropathy
This area investigates SLCO2A1 gene mutations causing prostaglandin accumulation in PHO and related conditions. Studies link loss-of-function variants to clinical phenotypes and ulcerations.
Pathophysiology of Digital Clubbing
Scholars explore mechanisms of digital clubbing in hypertrophic osteoarthropathy, involving platelet-derived growth factor and VEGF. Research differentiates primary from secondary forms.
VEGF in Hypertrophic Osteoarthropathy
Research examines vascular endothelial growth factor (VEGF) roles in periostosis and pachydermia of HOA. Studies assess serum levels and therapeutic VEGF inhibition.
Small Intestinal Ulceration in PHO
This sub-topic covers gastrointestinal complications like small intestinal ulcers in SLCO2A1-related PHO. Clinical studies evaluate endoscopy findings and management strategies.
Why It Matters
Hypertrophic osteoarthropathy and related conditions impact clinical diagnosis and management in rheumatology through identification of genetic and pathophysiological mechanisms. Resnick et al. (1975) described extraspinal manifestations in 21 cases of diffuse idiopathic skeletal hyperostosis (DISH), also known as Forestier's disease, establishing characteristic roentgen abnormalities that aid in recognizing ossifying diathesis beyond spinal involvement. This work supports precise radiographic evaluation in patients with periostosis and related skeletal changes, informing treatment in musculoskeletal conditions.
Reading Guide
Where to Start
"Diffuse Idiopathic Skeletal Hyperostosis (DISH): Forestier's Disease with Extraspinal Manifestations" by Resnick et al. (1975), as it provides a foundational description of extraspinal manifestations in 21 cases with characteristic roentgen abnormalities, offering clear entry into skeletal hyperostosis related to osteoarthropathy.
Key Papers Explained
Resnick et al. (1975) in "Diffuse Idiopathic Skeletal Hyperostosis (DISH): Forestier's Disease with Extraspinal Manifestations" establishes DISH as an ossifying diathesis with spinal and extraspinal features in 21 cases. This connects to broader hypertrophic conditions, though top-cited papers like Hetherington and Ranson (1940) on hypothalamic lesions and Asherson et al. (1989) on antiphospholipid syndrome offer indirect pathophysiological insights into related inflammatory and vascular processes.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current frontiers remain tied to established works on SLCO2A1 mutations and prostaglandin pathways, as no recent preprints or news coverage from the last 12 months or 6 months are available. Focus persists on genetic and clinical correlations without new developments reported.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Hypothalamic lesions and adiposity in the rat | 1940 | The Anatomical Record | 1.0K | ✕ |
| 2 | The “Primary” Antiphospholipid Syndrome | 1989 | Medicine | 963 | ✕ |
| 3 | Genetic Associations with Valvular Calcification and Aortic St... | 2013 | New England Journal of... | 944 | ✓ |
| 4 | Alopecia areata update | 2010 | Journal of the America... | 722 | ✕ |
| 5 | Multiple cutaneous and subcutaneous lesions occurring simultan... | 1953 | PubMed | 711 | ✓ |
| 6 | Tibial Plateau Leveling Osteotomy for Repair of Cranial Crucia... | 1993 | Veterinary Clinics of ... | 668 | ✕ |
| 7 | Diffuse Idiopathic Skeletal Hyperostosis (DISH): Forestier's D... | 1975 | Radiology | 647 | ✕ |
| 8 | Hypophysectomy and a replacement therapy in the rat | 1930 | American Journal of An... | 553 | ✕ |
| 9 | The Parathyroid Glands and Metabolic Bone Disease: Selected St... | 1949 | JAMA | 513 | ✕ |
| 10 | Vascular Klotho Deficiency Potentiates the Development of Huma... | 2012 | Circulation | 449 | ✓ |
Frequently Asked Questions
What are the key genetic factors in hypertrophic osteoarthropathy?
Mutations in the prostaglandin transporter gene SLCO2A1 play a central role in primary hypertrophic osteoarthropathy and related conditions. These mutations contribute to pathophysiology involving prostaglandin accumulation. The cluster focuses on such genetic associations alongside vascular endothelial growth factor.
What clinical features define pachydermoperiostosis?
Pachydermoperiostosis manifests as part of primary hypertrophic osteoarthropathy with skin thickening, periostosis, and digital clubbing. It presents distinct clinical features tied to SLCO2A1 mutations. Diagnosis relies on these observable signs and genetic confirmation.
How is digital clubbing associated with these conditions?
Digital clubbing occurs in hypertrophic osteoarthropathy and related disorders due to vascular and prostaglandin-related pathophysiology. It serves as a key clinical marker alongside small intestinal ulceration. Research highlights its link to SLCO2A1 dysfunction.
What treatments are explored for these conditions?
Treatment options target pathophysiology from SLCO2A1 mutations and prostaglandin excess in hypertrophic osteoarthropathy. Approaches address clinical features like periostosis and ulceration. Specific therapies remain under investigation within the 10,987 works.
What is the role of vascular endothelial growth factor?
Vascular endothelial growth factor contributes to the pathophysiology of hypertrophic osteoarthropathy and related conditions. It influences vascular changes in digital clubbing and pachydermoperiostosis. Studies emphasize its interplay with SLCO2A1 mutations.
Open Research Questions
- ? How do SLCO2A1 mutations precisely alter prostaglandin transport to cause periostosis in primary hypertrophic osteoarthropathy?
- ? What mechanisms link small intestinal ulceration to digital clubbing in these related conditions?
- ? Can vascular endothelial growth factor inhibitors treat manifestations of pachydermoperiostosis?
- ? What are the long-term outcomes of extraspinal ossification in diffuse idiopathic skeletal hyperostosis?
Recent Trends
No recent preprints from the last 6 months or news coverage from the last 12 months are available, so trends reflect the established corpus of 10,987 works emphasizing SLCO2A1 mutations, digital clubbing, and pachydermoperiostosis.
Resnick et al. remains highly relevant with 647 citations for DISH manifestations.
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