Vasospasm with Raynaud's phenomenon may affect the skin of the scrotum. A period of vasoconstriction with decreased perfusion is followed by vasodilatation with increased perfusion.
Clinical features:
(1) An episode is triggered by exposure to cold or vibration.
(2) The skin undergoes a sequence of changes, initially with pallor and/or cyanosis followed by erythema
(3) The changes may be accompanies by numbness, tingling, burning or pain.
The vasospasm may be limited to the scrotum or it may be part of a more generalized process affecting the digits, ears, nose or other sites.
If the condition is associated with a systemic disorder that triggers cold-induced vasospasm then it is termed secondary. If no cause for the condition is found then it is termed primary.
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