Phlegmon classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Classification

By Clinical Course

1. Acute
2. Subacute

By Severity of Condition

1. Mild
2. Average
3. Severe (with spreading to other location(s))

By Location

1. Superficial

• Cutaneous
• Subcutaneous
• Interstitial tissue
• Intramuscular

1. Deep

• Mediastinal
• Retroperitoneal

By Etiology

1. Single
2. Mixed (eg:spore and non-spore forming anaerobes)

By Pathogenesis

1. Per continuitatem (through neighbouring tissues)
2. Hematogenous (through non-valvular veins like venous plexus of face eg: v. pterygoideus plexus → inflamation of veins (phlebitis) → thrombus formation in veins → embolization of thrombus into sinus venousus systems)
3. Odontogenous

By Exudative Character

1. Purulent phlegmon
2. Purulent-hemorrhagic phlegmon
3. Putrefactive phlegmon

By Presence of Complications

1. With complications (disturbance of mastication, ingestion, speech, cardiovascular and respiratory system, peritonitis, lymphadenitis, loss of conscious if very severe, etc)
2. Without complication