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Table 2 Types of spontaneous discharge

From: The intraductal approach to the breast: raison d'être

 

Types of spontaneous discharge

 

Galactorrhea

Pathological

Physiological

Characteristics

Milky

Serosanguinous or watery

Colored, opalescent

Extent

Bilateral

One duct

Multiple ducts

Color

Uniform

 

Variable in different ducts: green, brown, yellow, etc.

Etiology

Physiological/pathological galactorrhea (increased prolactin)

Intraductal proliferation (papilloma, DCIS, carcinoma) duct ectasia

Physiological, duct ectasia, microcysts

Origin of process

Systemic

Local

Multiple ducts in one or both breasts