SYSTEMIC SCLEROSIS-DIFFUSE & LIMITED

SUMMARY

1. Diffuse SSC is more likely than limited SSC to have multi-organ involvement, assoc. with anti-Scl-70 & anti-RNA polymerase III Ab.

2. Limited SSC causes skin thickening distal to the elbows and knees and can affect the face and neck & affects internal organs.

3. Limited SSC causes CREST syndrome: Calcinosis; Raynaud phenomenon; Esophageal dysmotility; Sclerodactyly; Telangiectasias.

4. Diffuse SSC complications: ILD and renal crisis.

5. Limited SSC complications: pulmonary HTN (not ILD!).

Reference(s)

Wilkinson, I., Furmedge, D. and Sinharay, R. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press. Get it on Amazon.
Feather, A., Randall, D. and Waterhouse, M. (2020). Kumar And Clark’s Clinical Medicine. 10th ed. S.L.: Elsevier Health Sciences. Get it on Amazon.
Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].