TABLE 68.1 CAUSES OF PRIAPISM
corporal bodies (1). The corpora are typically semirigid and nonpainful as oxygenated, arterial inflow is constant. Unlike ischemic priapism, corporal blood gas is neither hypoxic, hypercarbic, nor acidotic, and this type of priapism is not an emergency as the corporal tissue remains well oxygenated and painful symptoms are rare.
in 27% of cases (18). The pathophysiology of malignant priapism can be secondary to either direct tumor infiltration of the corpora cavernosa or invasion of penile venous structures that inhibits drainage, promotes venous stasis, and leads to thrombosis within the penis (18).