CLINICAL DIAGNOSIS MANUAL
Vasculitic nodules on the fingers are manifestations of inflammation in small blood vessels (capillaries, arterioles, and venules). They can be signs of various systemic diseases and are commonly seen in conditions involving vasculitis or systemic inflammatory processes.
Pathology | Diagnosis of Suspicion | Diagnosis of Confirmation |
Systemic Lupus Erythematosus (SLE) | Arthritis symptoms, skin rash, photosensitivity, oral ulcers | Positive ANA and at least 4 of the 11 ACR criteria (anti-nuclear antibodies), which may include specific serology and clinical signs |
Subacute Bacterial Endocarditis | Fever, new or changing heart murmur, constitutional symptoms like fatigue and weight loss | Positive blood cultures and echocardiogram showing evidence of vegetations on the heart valves |
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