Ecchymoses, or bruises, are skin discolorations from blood leakage. Causes range from minor injury to underlying medical issues. Understanding them is key.

Henoch-Schönlein purpura (HSP): Palpable rash, joint & belly pain, often in kids. Usually resolves in weeks, but need to monitor kidneys.

Thrombocytosis: High platelet count. Can be reactive (due to other conditions) or essential (bone marrow disorder). Learn causes & significance.