CYST POPLÍTEO Or DE BAKER

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	CYST POPLÍTEO Or DE BAKER
	*CYST POPLÍTEO Or DE BAKER*

CYST POPLÍTEO Or DE BAKER

Poplíteo cyst or of Baker

The cyst of Baker, or poplíteo, is a swelling produced by an excess of liquid in the joint of the knee that excels on the other hand back.

Prognosis

Normally the cysts or are reabsorben or they are extirpated. The final prognosis depends on the underlying disease.

Complications

They can be complicated with extension by the leg towards the ankle, its internal face.

They can be broken, with spill of the sinovial liquid towards the ankle, which produces a painless tumefacción of the same or swelling of all the leg, that can be confused with a tromboflebitis.

Diagnosis and treatment

DIAGNOSIS

The cysts of Baker diagnose by means of clinical history and exploration by the doctor.

Its presence and extension by means of ecografía tests, artrografía with resistance or nuclear Magnetic Resonance are confirmed (R.M.N.).

Occasionally it is required to differentiate it from a tromboflebitis.

TREATMENT

Normally they are solved draining the joint of the knee by means of punción and injecting corticoids to avoid its reproduction.

If the cause is an injury within the knee, usually the treatment is surgical and of the injury cause. In the same surgical act the surgeon can scrape the wrapper of the joint (sinovial membrane) to avoid his reappearance.

General measures

To the being painless, usually they do not need special measures.

Medication

His doctor can inject corticoids to him, since he has explained himself, in the knee to reduce the inflammation that causes the cyst.

His doctor can prescribe antiinflammatory or derivatives to him of the colágeno to treat the underlying diseases.

Activity

If it does not grow, it is not necessary to restrict the activity.

In order to avoid its breakage, it avoids the extreme positions of the knee.

Diet

She is not necessary none in special.

Warn its doctor if:

The leg or the ankle is swollen to him.

Prevention

Of its causes.

Factors of risk

Own of the diseases the causes:

Excess of load on the knees and/or bad alignment of these (osteoartrosis)

Rheumatic arthritis

Sports of contact

Signs and symptoms

It can be asintomático (not to produce annoyances), or produce pain in the knee, mainly to the complete flexion or extension.

Usually they are visible from back in the standing position as a bulk in the later face of the knee, more evident if it is compared with the knee nonaffected.

Soft and painless consistency.

Causes

The cysts of Baker are not rare, and can be due to any disease that causes the spill of liquid within the joint of the knee.

The most frequent causes are:

Osteoartritis (it wears away of the joint of the knee)

Reumatoide arthritis (inflammation of the knee)

Injuries of the cartilage, like in the broken meniscos.

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