NCIt related terms : Polymyositis, organ involvement unspecified;
Alternative definition : NICHD: An inflammatory disorder affecting the muscles. It presents with symmetrical
proximal muscle weakness. Complications include distal weakness, thickening skin of
hands and interstitial lung disease. Juvenile polymyositis is a rare early onset form
of the disease.; NCI-GLOSS: An inflammatory disease of the muscles closest to the center of the body.
It causes weakness, inability to stand, climb stairs, lift, or reach. It may also
cause muscle pain and difficulty swallowing, and may affect the lungs and heart. Having
polymyositis increases the risk of certain types of cancer.; FDA: An idiopathic inflammatory disorder affecting the muscles. It presents with symmetrical
proximal muscle weakness and elevated skeletal muscle enzymes.;
FDA table : Patient Code (Appendix B);
Codes from synonyms : 1992; CDR0000455382; M33.20;