Cutaneous
Erythema nodosum
Livedo reticularis
Lobar panniculitis
Pyoderma gangrenosum
Rheumatoid nodules
Sweet's syndrome

Ocular
Corneal ulcers
Episcleritis
Keratoconjunctivitis sicca
Scleritis
Scleronodular disease

Respiratory
Bronchiolitis obliterans
Bronchiolitis obliterans with organizing pneumonia
Cricoarytenoid arthritis
Emphysema
Interstitial fibrosis
Pleuritis with or without effusions
Pulmonary hypertension
Rheumatoid nodulosis

Hematologic
Felty's syndrome
Hypergammaglobulinemias
Large, granular lymphocytes
Lymphoma
Normochromic-normocytic anemia
Thrombocytosis

Renal
Amyloidosis
Azotemia
Interstitial nephritis
Papillary necrosis

Vascular
Cutaneous arteritis
Small-vessel cutaneous vasculitis
Polyarteritis nodosa-like systemic vasculitis

Neurologic
Atlantoaxial disease
Mononeuritis multiplex
Polyneuropathies

Cardiac
Cardiomyopathy
Pericarditis
Valvular heart disease