Related Experiment Video
Updated: Jun 19, 2026

08:42
Skeletal Phenotype Analysis of a Conditional Stat3 Deletion Mouse Model
Published on: July 3, 2020
Exuberant calcinosis and acroosteolysis. A diagnostic challenge
M J Saavedra1, C Ambrosio, A Malcata
1Serviço de Reumatologia, Hospitais da Universidade de Coimbra, Portugal.
Clinical and Experimental Rheumatology
|October 3, 2009
Summary
This case study details acroosteolysis and calcinosis without skin issues. It explores potential causes and clinical progression for these rare conditions.
Area of Science:
- Rheumatology
- Dermatology
- Radiology
Background:
- Acroosteolysis is a rare condition characterized by bone resorption, primarily affecting the distal phalanges.
- Subcutaneous calcinosis involves calcium deposition in the skin and soft tissues, often associated with systemic diseases.
- The co-occurrence of these conditions, especially without apparent dermatological involvement, presents a unique clinical challenge.
Observation:
- A patient presented with severe acroosteolysis and extensive subcutaneous tissue calcinosis.
- Notably, there was a complete absence of skin lesions or involvement, which is atypical for calcinosis.
- The clinical course and diagnostic process involved serial imaging and laboratory investigations.
Findings:
- The case highlights an unusual presentation of acroosteolysis and subcutaneous calcinosis.
- The lack of skin involvement prompted a re-evaluation of differential diagnoses for both conditions.
- Histopathological examination of subcutaneous nodules confirmed calcium deposition.
Implications:
- This case expands the spectrum of presentations for acroosteolysis and calcinosis.
- It underscores the importance of considering systemic causes even in the absence of typical cutaneous findings.
- Further research into the underlying pathophysiology may elucidate novel treatment strategies for these rare manifestations.
