Baker’s Cyst (Popliteal Cyst)

A Baker’s cyst is a fluid-filled swelling behind the knee, usually linked to underlying joint problems.

This page covers causes, symptoms, diagnosis, treatment options, medications, surgical approaches, and recovery guidance related to baker’s cyst (popliteal cyst).

Quick Facts

Focus	Details
Condition Type	Cyst
Common Symptoms	Fullness behind the knee, Tightness, Pain with extension
Typical Diagnosis	Physical exam, Ultrasound or MRI
Common Treatments	Treat underlying knee condition, Activity modification, NSAIDs for discomfort

Causes and Risk Factors

Causes

Fluid buildup often related to underlying knee disease

Risk Factors

Arthritis
Meniscal tears

Symptoms and Signs

Fullness behind the knee
Tightness
Pain with extension

Diagnosis

Physical exam
Ultrasound or MRI

Treatment Overview

Focus	Details
Non-Surgical Care	Treat underlying knee condition, Activity modification
Medications	NSAIDs for discomfort
Injections	Aspiration and corticosteroid injection in select cases
Surgical Options	Rarely needed; address underlying cause

Self-Care and Recovery

Ice and elevation

Possible Complications

Recurrence if underlying issue persists

FAQs

What is Baker’s Cyst (Popliteal Cyst)?

A Baker’s cyst is a fluid-filled swelling behind the knee, usually linked to underlying joint problems.

What symptoms are common?

Fullness behind the knee, Tightness, Pain with extension.

How is it diagnosed?

Physical exam, Ultrasound or MRI.

What treatments are used?

Treat underlying knee condition, Activity modification, NSAIDs for discomfort, Rarely needed; address underlying cause.

When should I seek care?

Seek care for severe pain, swelling, fever, or inability to bear weight, or if symptoms persist despite self-care.