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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

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Familial progressive systemic scleroderma.

R E Greger, R E Greger

Archives of Dermatology

|January 1, 1975

Summary

This summary is machine-generated.

This study investigated progressive systemic scleroderma in a highly inbred community, finding a significantly higher mortality rate. The findings suggest a probable genetic predisposition for scleroderma within this isolate.

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Area of Science:

Genetics
Rheumatology
Epidemiology

Background:

Progressive systemic scleroderma is a complex autoimmune disease with a poorly understood hereditary component.
Familial cases of scleroderma are rare, making the investigation of genetic factors challenging.
The Brandywine triracial isolate, a highly inbred community, presents a unique population for studying genetic predispositions.

Purpose of the Study:

To investigate the occurrence and potential genetic factors of progressive systemic scleroderma within the Brandywine triracial isolate.
To assess the mortality rate of scleroderma in this isolate compared to the general population.

Main Methods:

Case study of three patients from the Brandywine triracial isolate presenting with scleroderma.
Analysis of clinical manifestations including skin changes, Raynaud phenomenon, and organ involvement.
Comparison of scleroderma mortality rates between the isolate and the general population.

Main Results:

Two of the three patients, a father and son, exhibited similar clinical features of scleroderma.
The observed mortality rate for scleroderma in the Brandywine isolate was at least 250 times higher than in the general population.
The isolate has high gene frequencies for sickle cell anemia and oculocutaneous albinism, indicating a history of inbreeding.

Conclusions:

The high mortality rate and familial occurrence suggest a probable genetic predisposition for scleroderma in the Brandywine triracial isolate.
Further research into the genetic basis of scleroderma within this population is warranted.
This isolate serves as a valuable resource for understanding the hereditary aspects of scleroderma.