primary polyarteritis nodosa single-organ polyarteritis nodosa https://www.malacards.org/card/single_organ_polyarteritis_nodosa UMLS:C5680051 MEDGEN:1842346 Single-organ polyarteritis nodosa (PAN) is a rare, often mild form of PAN characterized by limited disease without generalized manifestations, most often affecting the skin (cutaneous PAN), the brain, eyes, pancreas, testicles, ureter, breasts, or ovaries. Affected patients are often younger than those with systemic PAN and relapses appear to be more common. GARD:0021832 MONDO:0018595 single-organ periarteritis nodosa Orphanet:439755 single-organ PAN