I have studied your case.
As per your history and presentation there is possibility of systemic autoimmune diseases which is involving multiple parts.
ANA is positive in many auto immune diseases you may need to further investigate like,dsDNA, ssDNA Anti Scl-70 Anti-nRNP
You may need to consult rheumatologist
for ruling out various autoimmune diseases.
Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.
Wishing you good health.