Infiltration of a tissue by normal cells or tumoral cells.

Types

 inflammatory cell infiltrations

• leukocytic infiltration (leukocytic infiltrates)
  • granulocytic infiltrations
  • lymphocytic infiltrations

• plasmacytic infiltrations
• histiocytic infiltrations (macrophagic infiltrations)
• eosinophilic infiltrations
• basophilic infiltrations
• mastocytic infiltrations
• granulomatous infiltrations
• tuberculoid granulomatous infiltrations (tuberculoid granulomatoses)

 tumoral cell infiltrations (tumoral cellular infiltration)

Localization

 cardiac infiltration

• endocardic infiltration
• myocardic infiltration
• pericardic infiltration

 cutaneous infiltration

• epidermal infiltration
• dermal infiltration
• hypodermal infiltration

 muscular infiltration
 salivary infiltration