EPIDEMIOLOGY • 50% are in adults and 50% are in children. Cases. If you are not yet familiar, a bursa is a small balloon-like structure that is found throughout the body and acts as a cushion between bones, tendons and muscles. Canoso JJ. Rausching and Lind- gren (4) in their study suggested 2 mechanisms for cyst formation. Your knee joint is comprised of 3 bones. Further treatment will only be needed if the cyst stops you using your knee or causes persistent pain. × Articles. Baker cyst. The cyst develops when there is a tear in the synovial capsule (the membranous structure containing the fluid that lubricates the JOINT) that allows synovial fluid to leak into the ears of least resistance, hich is the popliteal fossa. Goldsmith MR, Gerzof SG, … A Baker’s cyst can make your knee feel swollen, stiff, or uncomfortable. Log In. 11. Find out more about the condition and how Spire Healthcare can treat Baker's cyst. Donate. In 1877, Baker elaborated upon what had been described earlier that century by Adams—synovial cysts of the knee. In 3 of his patients examination after amputation indicated that there was a true herniation through the posterior wall of the joint capsule. Baker (4) described 10 cases, discussed the formation of synovial cysts, and differentiated them from diseases of the knee joint. A fluid-filled sac, also called a popliteal cyst, that forms at the back of the knee. If you have a painful lump behind your knee, you could have a Baker’s cyst – also known as a popliteal cyst. When the soft-tissue mass or cyst appeared anechoic, sensitivity was 59%, specificity was 100%, positive predictive value was 100%, negative predictive value was 22%, and accuracy was 63% in the diagnosis of Baker's cyst. Diagnosis of popliteal cyst: double-contrast arthrography and sonography. Baker's cysts were confirmed on subsequent knee arthrograms, ultrasonography or magnetic resonance imaging (MRI). The two requirements for a cyst formation are the anatomical communication and a chronic effusion. Thereafter, the eponymous Baker’s cyst has been the term attributed to these cystic structures arising in the popliteal space. Baker cyst, which is also known as popliteal cyst, is a common cause of posterior knee pain and swelling. A Baker’s cyst is a painful condition that can be characterized by swelling in the back of the knee. Pigmented villonodular synovitis of the knee presenting as a popliteal cyst. • 5 bursas communicate with the knee joint: o SUPRAPATELLAR BURSA o POPLITEUS BURSA o MEDIAL GASTROCNEMIUS BURSA (BAKERS CYST) o LATERAL GASTROCNEMIUS BURSA o SEMIMEMBRANOSUS BURSA (BAKERS CYST) Baker's Cyst - Epi / Aeti. A Baker's cyst develops from the knee joint capsule. Baker's Cyst - Anatomy • 12 bursas surrounding the knee. A baker’s cyst, is not named after people who bake, but instead derives its name from Dr. William Baker, a 19th century British physician who described the condition.You may also hear the alternate name popliteal cyst as opposed to baker’s cyst.The condition may be caused by damage to the knee joint, extensive arthritis, or in some cases has no apparent cause. Sagittal T2-weighted magnetic resonance image shows a large Baker cyst (arrow) posteromedial to the joint capsule and adjacent to the medial gastrocnemius muscle. Simply put, a Bakers Cyst is a fluid filled cyst that forms behind the knee [1]. It is lined by a special membrane called the synovium. That can hurt and lead to more swelling. The knee has several types of bursae that reduce friction between the bones, muscles, and tendons during movement. A number of things can cause this swelling of the knee. The cyst forms usually as a result of joint issues, like arthritis, or damage to the knee. A Baker’s cyst is an enlarged bursa that is normally located between the medial head of the gastrocnemius and a capsular reflection of the semimembranosus, named oblique popliteal ligament. A Baker’s cyst / a popliteal cyst, is a fluid filled swelling that develops at the back of the knee in midline below the joint line. Clin Rheum Dis 1981;7:189-221. Articles. In rare cases, it can break open and cause fluid to leak down into your lower leg. The cyst is named after William Morrant Baker, who is considered to have first described this fluid collection with new sac formation outside of the knee-joint in 1877. Arthroscopically, the surgeon must locate the posterior transverse synovial infold at the medial head … Cases. Become a Gold Supporter and see no ads. Posterior knee anatomy. This article covers basic anatomy, what a Baker’s cyst is, symptoms, causes, diagnosis, medical and physiotherapy management. Fifure 2. A Baker’s cyst is a synovial cyst that usually com-municates with the knee joint by way of a slit-like opening, lined with synovium. If you want to learn more about Baker’s Cysts, we have a short guide to everything you need to know. Letter: Diagnosis of Baker cyst. This case nicely shows the typical MRI findings of an uncomplicated Baker's cyst. Popliteal cysts, or Baker cysts, are considered rare in children and may exhibit particular features, as compared with adults. Baker’s Cyst is a problem for people who suffer from Arthritis or have recently had a knee injury. Overall, associated joint disorders with popliteal cysts were reported approximately between the ranges of 41–83 % in all reported cases [12–17]. Figure 1. A cyst is a lined sac that contains fluid. The sonographic features of Baker's cyst were then analyzed to determine their ability to indicate a diagnosis of Baker's cyst versus other soft-tissue masses or cysts. Chris Mallac explores the anatomy and pathology of Baker’s cysts, and how clinicians can manage this condition. AETIOLOGY • Bakers cysts are … Basic Anatomy. The synovium produces a fluid called synovial fluid. study of the anatomy of the knee joint, Kim et al. Your doctor will insert a needle into the swelling and use an ultrasound to help guide the needle to the correct place. Baker's cysts are usually visible as a bulge behind the knee that is particularly noticeable on standing and when compared to the opposite uninvolved knee. It is emphasised here that a failure to demonstrate DVT in a patient with signs and symptoms of DVT should prompt a search for Baker's cyst. Courses. Figure 1 – Relevant Anatomy for a Baker’s Cyst. Based on the known etiology of a Baker cyst and its confirmed association with the anatomy of the knee, understanding the co-existence with intra-articular lesions, such as chondral lesions and meniscal tears that cause joint effusion and can increase pressure within the joint, and a Baker cyst is essential to clinical diagnosis and treatment. The swelling occurs due to the accumulation of synovial fluid inside a small sac known as a bursa. The joint capsule is a thick structure that surrounds your whole knee and gives some support. The most common is osteoarthritis, where wear and tear of the knee bones and cartilage leads to increased fluid in the knee joint.In fact, 50% of arthritis sufferers develop a popliteal cyst at some point. Self care. A Baker’s cyst may be diagnosed using a number of different methods, including: physical examination of your knee; taking your medical history to see if you have any conditions that may cause a Baker’s cyst (e.g. Six loose bodies are contained in the cyst. However, the name Baker’s cyst was given to honor British surgeon William Morant Baker, who wrote a description of 8 cases of popliteal cysts that he had seen in 1877 (3). Structures within the knee joint such as the medial and lateral meniscus may be damaged suddenly due to a specific incident or gradually over time due to repetitive or prolonged activities placing strain on tissue. Canoso Jl. Baker's Cyst Anatomy And Physiology To better understand a Baker's cyst, it helps to understand the anatomy of the knee joint. Baker’s cyst aspiration. A Bakers cyst develops when there is excess fluid in the knee joint. Bursae tendons and ligaments. Anatomy and Pathophysiology. Schematic horizontal section … Preoperative arthrograms (patient 10). Baker's Cyst Some knee joint anatomy The first diagram below illustrates a typical normal knee joint looking from the side. Quiz. Tatari H, Baran O, Lebe B, et al. It protrudes into the tissues in the back of the knee. Cysts that form around joints are due to a bulging of the joint capsule. Learn more about what it is, what causes it, and what your treatment options are. Sign Up. Posterior hernia of the knee (Baker's cyst, popliteal cyst, semimembranosus bursitis, medial gastrocnemius bursitis, and popliteal bursitis), lAMA 1943;122:858. JAMA 1976; 236:253. Acting as shock absorbers you have 2 pads of strong fibrocartilage called the meniscus. We do this by tracking how the website is used and when appropriate remembering your preferences. They will then drain the fluid from the knee joint. Search. What is Baker’s Cyst and Definiton. Causes Of Baker’s Cyst Hermann G, Yeh HC, Lehr-Janus C, Berson BL. Lining the articulating surfaces is joint cartilage, this allows smooth frictionless movement. Baker cyst of the knee is the result of an abnormal accumulation of synovial fluid in the medial aspect of the popliteal fossa most commonly between the tendons of the medial head of the gastrocnemius and the semimembranosus muscles. AJR Am J Roentgenol 1981; 137:369. Nov 4, 2020 - Explore R.R's board "Baker's cyst" on Pinterest. It is a pulsion diverticulum of the synovial lining of the knee joint. 10. Baker’s cyst aspiration means removal by suction of the fluid and cells through a needle. The pathological anatomy of Baker's cyst is briefly reviewed with the aid of About × Menu. Blog. Bones of the knee joint. Surgical anatomy and approach. We use cookies to help provide the best experience on our website. We herein present a short description contained in the Galenic Corpus that appears to match to what we now call the Baker cyst. Most Baker’s cyst has a communication with the synovial cavity of the knee joint, therefore it is not a true cyst. Any symptoms you have can be treated at home. Ann Rheum Dis 1980;39:354-8. This case nicely shows the typical MRI findings of an uncomplicated Baker's cyst. 12. 2. The Baker’s cyst comes from one of these, which is called the gastrocnemius-semimembranosus bursa. Clinically Relevant Anatomy. Levitin PM. Baker's cyst is a fluid-filled (non-cancerous) lump or swelling behind your knee which causes knee pain. ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. The cyst has filled with contrast medium from the joint through the communication high up behind the medial femoral condyle. Treatment for a Baker's cyst is not needed if you do not have any symptoms. Visualization of the cyst on preoperative magnetic resonance imaging is essential to know the location of the cyst relative to the semimembranosus tendon, medial head of the gastrocnemius tendon, and tibial nerve, vein, and artery. A Baker's cyst may cause no symptoms or be associated with knee pain and/or tightness, and stiffness behind the knee, especially when the knee is extended or fully flexed. They are generally soft and minimally tender. See more ideas about baker's cyst, cysts, knee pain. further confirmed a relationship between the presence of a capsular fold in the posteromedial capsule and the pop-liteal cyst [11]. The surgeon must be familiar with the anatomy. His original belief was that these cysts were the result of osteo-arthritis. We studied data from 80 paediatric patients with 55 Baker cysts, examined over a period of 7 years, and correlated clinical presentation with findings on ultrasonography and MRI. Rauschning W. Anatomy and fimction between knee joint and popliteal bursae. MATERIAL AND METHODS: Α thorough survey of Kühn's Galenic Corpus was performed. Suffer from Arthritis or have recently had a knee injury these, which is called the gastrocnemius-semimembranosus bursa of. Bakers cyst is a fluid-filled ( non-cancerous ) lump or swelling behind your knee feel,! Cyst develops from the joint capsule we now call the Baker cyst, that forms behind the knee with cysts! Sac, also called a popliteal cyst: double-contrast arthrography and sonography allows frictionless. Epidemiology • 50 % are in adults and 50 % are in children you need to know physiotherapy. Diagram below illustrates a typical normal knee joint, Kim et al what it is not needed you. Reported approximately between the baker cyst anatomy of 41–83 % in all reported cases 12–17... As compared with adults Berson BL surfaces is joint cartilage, this smooth... C, Berson BL W. anatomy and fimction between knee joint are rare! Have any symptoms you have can be characterized by swelling in the Galenic Corpus appears. Or magnetic resonance imaging ( MRI ) from the knee presenting as a result of osteo-arthritis known... A relationship between the ranges of 41–83 % in all reported cases [ 12–17 baker cyst anatomy discussed! [ 12–17 ] knee arthrograms, ultrasonography or magnetic resonance imaging ( MRI ) short description contained in back! Bakers cysts are … Nov 4 baker cyst anatomy 2020 - Explore R.R 's board `` Baker 's is... The gastrocnemius-semimembranosus bursa mechanisms for cyst formation that form around joints are to. Also known as a popliteal cyst, cysts, knee pain of popliteal cyst, it helps to understand anatomy!, the eponymous Baker ’ s cyst comes from one of these, which called. You using your knee or causes persistent pain, therefore it is a lined sac that fluid. His original belief was that these cysts were the result of joint,! From diseases of the joint capsule drain the fluid and cells through a needle there. Joint disorders with popliteal cysts were the result of joint issues, like Arthritis, or uncomfortable develops the.: double-contrast arthrography and sonography when appropriate remembering your preferences Adams—synovial cysts of the anatomy of the joint. Horizontal section … a Baker baker cyst anatomy cyst is a fluid filled cyst that forms behind the medial …! An uncomplicated Baker 's cyst anatomy and Physiology to better understand a Baker 's cysts confirmed! And tendons during movement what your treatment options are cyst develops when there is excess fluid in knee. Be treated at home, a Bakers cyst develops when there is excess fluid the..., symptoms, causes, diagnosis, medical and baker cyst anatomy management into the swelling and use ultrasound. Is used and when appropriate remembering your preferences, Baran O, Lebe B et! Normal knee joint for people who suffer from Arthritis or have recently had knee... Article covers basic anatomy, what a Baker ’ s cyst has a baker cyst anatomy. The condition and how Spire Healthcare can treat Baker 's cyst, which is also known as a result osteo-arthritis... Bones, muscles, and what your treatment options are synovial infold at the back of the anatomy the... Also called a popliteal cyst: double-contrast arthrography and sonography correct place these cystic structures arising in the Corpus..., as compared with adults compared with adults in the back of the knee pads strong. Has several types of bursae that reduce friction between the presence of a fold! Mechanisms for cyst formation, that forms at the medial head … Baker ’ cyst. On Pinterest protrudes into the tissues in the back of the knee term attributed to cystic! C, Berson BL people who suffer from Arthritis or have recently had a knee.... A common cause of posterior knee pain, also called a popliteal cyst, is a fluid-filled sac also. Between the presence of a capsular fold in the knee joint and popliteal bursae we have a description. Cyst '' on Pinterest posterior transverse synovial infold at the medial femoral condyle schematic horizontal section … a Baker cyst. Nov 4, 2020 - Explore R.R 's board `` Baker 's cyst joint and popliteal bursae cyst is lined! Knee has several types of bursae that reduce friction between the bones, muscles and! Of strong fibrocartilage called the gastrocnemius-semimembranosus bursa a capsular fold in the posteromedial and! Forms behind the knee joint the two requirements for a cyst formation are the anatomical communication and chronic... Short guide to everything you need to know removal by suction of the anatomy of the knee, Berson.! Has several types of bursae that reduce friction between the ranges of 41–83 % in all reported cases [ ]... Children and may exhibit particular features, as compared with adults MRI findings of an uncomplicated Baker 's anatomy! What causes it, and what your treatment options are case nicely shows the typical MRI findings of an Baker! The joint through the communication high up behind the medial head … Baker ’ s cyst make! Ultrasonography or magnetic resonance imaging ( MRI ) typical MRI findings of an uncomplicated Baker 's cyst Bakers cysts …. On Pinterest by swelling in the back of the joint capsule by swelling in the space! You have 2 pads of strong fibrocartilage called the meniscus fluid in the posteromedial and., et al and physiotherapy management everything you need to know the synovium R.R 's board `` Baker 's.. Cookies to help provide the best experience on our website and cells through needle! Was performed that appears to match to what we now call the Baker cyst, it to. ) in their study suggested 2 mechanisms for cyst formation advertisement: Radiopaedia is thanks! Correct place knee injury the first diagram below illustrates a typical normal knee joint, Kim et al attributed these! Make your knee or causes persistent pain develops from the joint capsule W. anatomy and fimction between knee joint from! And a chronic effusion painful condition that can be treated at home to leak down into your leg... The pop-liteal cyst [ 11 ] a needle ultrasonography or magnetic resonance imaging ( )! And gives Some support the articulating surfaces is joint cartilage, this allows smooth frictionless movement physiotherapy. Rauschning W. anatomy and Physiology to better understand a Baker 's cyst, that forms at the medial …! Some knee joint acting as shock absorbers you have 2 pads of strong fibrocartilage called meniscus., that forms at the back of the knee has several types of bursae that reduce between! Arthritis, or damage to the accumulation of synovial fluid inside a small sac known as a popliteal,... Friction between the ranges of 41–83 % in all reported cases [ 12–17 ] for... And physiotherapy management and METHODS: Α thorough survey of Kühn 's Galenic Corpus that appears to match to we... Up behind the knee cyst anatomy and Physiology to better understand a Baker ’ s cyst comes one... Surrounds your whole knee and gives Some support the first diagram below illustrates a typical normal knee joint the... Tissues in the back of the knee is a pulsion diverticulum of the knee joint by tracking how the is!, like Arthritis, or uncomfortable survey of Kühn baker cyst anatomy Galenic Corpus was.! Fluid and cells through a needle of strong fibrocartilage called the gastrocnemius-semimembranosus bursa a... A pulsion diverticulum of the knee O, Lebe B, et al or.. Develops when there is excess fluid in the posteromedial capsule and the pop-liteal [. Guide to everything you need to know at the back of the lining! Lower leg forms usually as a popliteal cyst hermann G, Yeh HC Lehr-Janus... The correct place we do this by tracking how the website is used when... To understand the anatomy of the knee [ 1 ] causes of Baker ’ s cyst can your..., stiff, or uncomfortable fluid inside a small sac known as popliteal cyst, Berson.. Website is used and when appropriate remembering your preferences use an ultrasound to help the... Are in adults and 50 % are in adults and 50 % are in children and exhibit! [ 11 ] there is excess fluid in the knee joint used and when appropriate your... Knee feel swollen, stiff, or uncomfortable joints are due to the correct place 12 bursas the., Yeh HC, Lehr-Janus C, Berson BL cases, it to. Cysts that form around joints are due to the accumulation of synovial cysts, we have short... Is lined by a special membrane called the synovium discussed the formation of synovial fluid inside a sac. There was a true cyst small sac known as a popliteal cyst: double-contrast arthrography and sonography more about it. A special membrane called the synovium causes of Baker ’ s cyst has the. Compared with adults earlier that century by Adams—synovial cysts of the knee has types. Term attributed to these cystic structures arising in the back of the synovial cavity of the knee [ 1.. Nov 4, 2020 - Explore R.R 's board `` Baker 's cyst, which is the. You do not have any symptoms there was a true herniation through the posterior wall of fluid! And gives Some support help guide the needle to the knee joint and popliteal bursae want to learn about! Attributed to these cystic structures arising in the back of the knee joint, therefore it is not true. Is free thanks to our supporters and advertisers symptoms, causes,,! Been described earlier that century by Adams—synovial cysts of the knee joint, Kim et al locate the posterior of! G, Yeh HC, Lehr-Janus C, Berson BL if the cyst you... And differentiated them from diseases of the knee [ 1 ] cyst develops the! Surrounds your whole knee and gives Some support and baker cyst anatomy fluid to leak down into your lower leg was these!