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Priapism

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Medical Zone - Differential Diagnosis of Priapism

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Priapism is a condition in which a penis remains erect for hours in the absence of stimulation or after stimulation has ended. There are three types: ischemic (low-flow), nonischemic (high-flow), and recurrent ischemic (intermittent). Most cases are ischemic. Ischemic priapism is generally painful while nonischemic priapism is not. In ischemic priapism most of the penis is hard; however, the glans penis is not. In nonischemic priapism the entire penis is only somewhat hard. Very rarely, clitoral priapism occurs in women.