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A Baker’s cyst is a fluid-filled lump behind the knee. It can cause tightness, swelling and pain when you bend or straighten the leg, and it usually points to another problem inside the knee, such as arthritis or a meniscus tear.
At the Institute of Regenerative Orthopedics & Sports Medicine (IROSM), Dr. Jorge Gonzalez, MD at IROSM in Fort Lauderdale uses in-office ultrasound to confirm what the lump is and, when needed, drain it with image guidance during your visit.
Book Your Appointment Now: (954) 751-6990 Make an Inquiry OnlineA Baker’s cyst, also called a popliteal cyst, is a pocket of joint fluid that bulges into the back of the knee. The knee makes a slippery fluid (synovial fluid) to cushion the joint. When something inside the knee causes extra fluid, it can push through into a small sac behind the knee and form a cyst.
Baker’s cysts are common, especially in adults over 40 with knee arthritis or a meniscus tear. Dr. Gonzalez evaluates Baker’s cysts at IROSM in Fort Lauderdale to find the knee problem behind the cyst, because treating that problem is often what keeps the cyst from coming back.
Many Baker’s cysts cause no symptoms and are found on a scan done for another reason. If your knee also feels swollen, read about knee swelling and fluid on the knee.
Diagnosis of a Baker’s cyst at IROSM in Fort Lauderdale starts with a knee exam and an in-office ultrasound. Ultrasound shows whether the lump is filled with fluid, how big it is, and whether it has leaked. It also helps rule out a blood clot, which can cause similar calf swelling and needs urgent care.
Not every lump near the knee is a Baker’s cyst. A knee ganglion cyst or parameniscal cyst can look similar, and ultrasound helps tell them apart. X-rays or an MRI may be ordered to check the knee problem behind the cyst.
A Baker’s cyst that causes no symptoms often needs no treatment and may shrink on its own. When it causes pain or pressure, options at IROSM in Fort Lauderdale may include:
Care for arthritis or a meniscus tear, such as activity changes, physical therapy or injections, may help the cyst settle.
Dr. Gonzalez can drain the cyst with a needle under ultrasound, often with a corticosteroid injection, in the office. Read how image-guided injections improve accuracy.
Removing extra fluid from the knee joint itself may ease pressure that feeds the cyst.
Surgery is rarely needed and is usually considered only when symptoms last despite other care. Cysts can return if the knee problem is not treated.
Baker’s cyst treatment is not right for every patient, and results vary. Candidacy for drainage is decided at an in-person evaluation.
A Baker’s cyst can leak or burst, letting fluid run down into the calf. This can cause sudden calf pain, swelling, warmth and redness. Because a blood clot in the leg can look the same, get checked promptly. At IROSM in Fort Lauderdale, ultrasound helps tell a ruptured cyst from other causes. Go to an emergency room for severe swelling, a cold or pale foot, or shortness of breath.
The name Baker’s cyst describes a cyst behind the knee, but the same kind of fluid-filled synovial cyst can form near other joints, including the elbow. An elbow synovial cyst is usually linked to wear or inflammation in the joint, such as elbow arthritis. It may show up as a soft lump near the elbow crease or forearm, and a large one can press on nearby nerves.
Dr. Gonzalez at IROSM in Fort Lauderdale uses ultrasound to confirm whether an elbow lump is a synovial cyst and whether it can be drained with image guidance.
A lump inside or next to a muscle can have several causes. Some are ganglion-type cysts linked to a nearby joint or tendon. Others are pockets of fluid or old blood after a muscle injury, such as a calf muscle tear or hamstring injury. Less often, a lump is a different kind of soft-tissue growth.
Ultrasound is a quick way to see whether a muscle lump is fluid-filled or solid. At IROSM in Fort Lauderdale, Dr. Gonzalez can check it during your visit. A lump that is growing, hard, painful or deep should always be examined.
Providing Baker’s cyst and knee lump evaluation and treatment to residents in Fort Lauderdale, Oakland Park, Tamarac, Lauderdale Lakes, Plantation, Pompano Beach, and Broward County. For our Hialeah office, se habla español.
Institute of Regenerative Orthopedics & Sports Medicine (IROSM)
3333 West Commercial Blvd, Suite 101
Fort Lauderdale, FL 33309
Phone: (954) 751-6990
Triple board-certified · Fellowship-trained at the Andrews Institute · Fort Lauderdale & Hialeah
Schedule a consultation with Dr. Jorge Gonzalez at IROSM in Fort Lauderdale for an in-office ultrasound and a clear plan for your Baker’s cyst or joint lump.
Book Your Appointment Now: (954) 751-6990 Make an Inquiry Online
Disclaimer: This content is for general educational purposes and does not constitute formal medical advice. Individual patient outcomes will vary. Baker’s cyst treatment at IROSM in Fort Lauderdale requires a clinical examination by Dr. Jorge Gonzalez to establish candidacy. Serving Fort Lauderdale, Pompano Beach, Plantation, and surrounding Broward County communities.