Mixed Connective tissue disease MCTD• This syndrome involving mixed features of :-
- It is of gradual onset. - Renal affection is rare.
Features (according to the frequency)
1- Arthritis or arthralgia.
2- Raynaud's phenomenon.
3- Oesophageal dysmotility.
7- Skin rash.
9- Renal disorder.
• ANA +ve.
• Positive anti-ribonucleoprotein (RNP) antibodies.
Good response to steroid.