MR imaging of lipoma arborescens and the associated lesions. Burgan D W. Lipoma arborescens of the knee: another cause of filling defects on a knee arthrogram. Restricted or decreased range of motion in the affected joints. Magnetic resonance (MR) imaging findings are … Diagnosis. It is characterized by diffuse replacement of the subsynovial tissue into mature fat cells, producing villous transformation of the synovium [1, 2, 3]. LIPOMA ARBORESCENS DR. MAHESH CHAUDHARY PHASE-B RESIDENT RADIOLOGY & IMAGING, BSM MEDICAL UNIVERSITY 2. Magnetic resonance imaging (MRI) revealed an intra-articular lipoma. Involvement of the synovial tendon sheath is extremely rare … Sanamandra SK, Ong KO (2014) Lipoma arborescens. The patient reported decrease in pain and ankle swelling after synovial resection. Radiographs typically show joint fullness and, frequently, osteoarthritic changes. Results: MR imaging showed a typical pattern of villous lipomatous proliferation of the synovium in all cases, as a diffuse pattern in 79% (26/33) of cases and as a … Patient underwent synovectomy and the diagnosis was confirmed histologically. {{ (moduleVm.actions && moduleVm.changeStatus) ? MR imaging is the modality of choice when evaluating a patient for lipoma arborescens. Alkubaidan FO, Heffernan EJ, Munk PL. 2003;32(9):504. Appearance of the lesion and its signal intensity changes on various pulse sequences, combined with a rare idiopathic joint disease in which nonneoplastic fatty deposits replace and distend the synovium (Figs.2a 2a & b), which may represent underlying prominent fatty projections of the lipoma arborescens. 38 (8):815-8, 2009. Ultrasound examinations were performed in seven shoulder joints of six patients with shoulder pain and functional limitations, as well as suspected rotator cuff abnormalities. Th Magnetic resonance imaging (MRI) revealed an intra-articular lipoma. Lipoma arborescens is a chronic, slowly progressive intra-articular lesion characterised by villous lipomatous proliferation of the synovium, usually involving the suprapatellar pouch of the knee joint. The main differential diagnosis is lipoma arborescens,(14,16) which is also an intra-articular lipomatous lesion. 11 Vilanova JC, Barceló J, Villalón M, Aldomà J, Delgado E, Zapater I. MR imaging of lipoma arborescens and the associated lesions. If the address matches an existing account you will receive an email with instructions to retrieve your username The diagnosis of lipoma arborescens was confirmed by the histologic findings in 12 cases and the other 21 cases were diagnosed by the characteristic MR imaging features. JC Vilanova., “MR imaging of lipoma arborescens and the associated lesion”, skeletal Radiology 32.99 (2003): 504-509. has been cited by the following article: Article. Radiology for the surgeon: musculoskeletal case 41. 23. 10.12) [117, 133, 134, 139, 140]. Lipoma arborescens is a rare intraarticular lesion characterized by villous Iipomatous proliferation of the synovium, usually involving the suprapatellar pouch of the knee joint. Lipoma arborescens involving the synovial sheaths of the tendons is exceedingly rare. Patients typically present in the 5th-7th decades, but the condition has also been reported in the young 5. Lipoma arborescens. J Bone Joint Surg (Am) 1988; 70 (2): 264-70. Lipoma arborescens is a benign, diffuse villous proliferation of the synovium characterized by the replacement of the subsynovial tissue by mature adipocytes [ 20 ]. Our purpose was to describe on MR the different morphologic appearances of LA of the knee and to investigate the Lipomas can be found anywhere in the body with the majority located in the head and neck region as well as in the shoulder and back. Although, it is not the only case reported, lipoma of the index finger is very uncommon. LA may be associated with osteoarthritis in some patients. Lipoma arborescens is a rare, benign, intra-articular lesion that, when present, generally afflicts the knee joint. Skeletal Radiol (1998) 27:325±329 u0017 International Skeletal Society 1998 ARTICLE Socorro Martín Diagnostic imaging of lipoma arborescens Luis Hernµndez Julia Romero Javier Lafuente Ana I. Poza Pedro Ruiz Margarita Jimeno Abstract Objective. Diagnostic imaging of lipoma arborescens. 31 (2):333-7, 2011. The knee is the most commonly involved joint.1 A 56-year-old man with a history of trivial trauma 5 years ago, came with gradually increasing pain and swelling in the right knee. With knee MRI, the frequency of this finding is approximately 0.3%. 21. Lipoma Arborescens is a rare benign intra-articular lesion most frequently found in the knee identified by the villous proliferation of the synovium. We describe a histologically proven case of lipoma arborescens to highlight the imaging findings on X-ray, Ultrasound and Magnetic resonance imaging with arthroscopic correlation. 22. We report a case of a 51-year-old man, presenting with non-specific symptoms of unilateral knee pain and swelling, who had experienced a 1-year period of multiple misdiagnoses. Conclusion Polyarticular lipoma arborescens is a rare entity and symmetrical involvement of the joints other than the knees is exceedingly rare. arborescens; magnetic resonance imaging. {{ (moduleVm.actions && moduleVm.changeStatus) ? Objective. Lipoma arborescens is a rare clinical condition characterized by mono or biarticular involvement of large joints, such as knees, hips, ankles, elbows, and shoulders. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): We present a case of lipoma arborescens of the knee in a 17-year-old man, discuss its characteristic imaging findings, and review the relevant differential diagnoses. Interventions: After a failed nonoperative treatment consisting in intra-articular cortisone injections and physiotherapy, the patient underwent arthroscopic synovectomy and arthrolysis. A patient with the condition typically has a slow increase in painless swelling of the knee for many years, accompanied by intermittent effusions. Azzouz D, Tekaya R, Hamdi W, Montacer Kchir M. Lipoma arborescens of the knee. Material and Methods The imaging features of 15 patients with pathologically proven lipoma arborescens were retrospectively analyzed including lesion number, shape, location, size, margins, attenuation on CT, and signal intensity and enhancement patterns on MR images. A 48-year-old male, with a soft-tissue tumor on the superomedial aspect of the right knee. Lipoma arborescens (LA) is a rare intraarticular lesion of unknown etiology, mostly described in adult patients. To evaluate the computed tomography (CT) and magnetic resonance imaging (MRI) features of lipoma arborescens. 2003;32(9):504. We describe an unusual case of lipoma arborescens arising within the sub-deltoid bursa in association with a rotator cuff tear. Minami S, Miyake Y, Kinoshita H (2016) Lipoma arborescens Introduction Soft tissue swelling of the knee joint can be caused by many diseases. (1)Department of Radiology, Hospital Juan Canalejo, La Coruña, Spain. Coll JP et al: Best cases from the AFIP: lipoma arborescens of the knees in a patient with rheumatoid arthritis. Chae EY et al: Lipoma arborescens of the glenohumeral joint causing bone erosion: MRI features with gadolinium enhancement. AU Vilanova JC, BarcelóJ, Villalón M, AldomàJ, Delgado E, Zapater I SO Skeletal Radiol. The diagnosis of a lipoma arborescens of the elbow involving the whole joint was made using magnetic resonance imaging and confirmed during arthroscopy. Lipoma arborescens may also be seen in other synovial-lined locations (e.g., glenohumeral joint in the setting of chronic osteoarthritis). () More often, in most cases of knee joint involvement with associated background … INTRODUCTION • Lipoma arborescens is a rare condition affecting synovial linings of the joints and bursae, with 'frond like' depositions of fatty tissue. 8 In addition magnetic resonance imaging is a … Lipoma arborescens de joelhos; Lipoma de oído medio: una presentación inusual en una niña de 6 años; Lipoma arborescens of the shoulder joint: distinctive magnetic resonance imaging appearance; Lipoma del espacio parafaríngeo; Lipoma gástrico pediculado. We report a case of MR imaging on a lipoma arborescens of the hip joint, which was pathologically confirmed. Lipoma arborescens is a rare, articular lipoma-like lesion characterized by fatty infiltration of the subsynovial tissue. of lipoma arborescens utilizing fat suppression and contrast ... “MR imaging of lipoma arborescens and the. The lesion is of unknown etiology and it is … We report a case of LA, with characteristic MRI features, affecting the elbow joint in a young male. OBJECTIVE. An X-ray or other imaging test, such as an MRI or CT scan, if the lipoma is large, has unusual features or appears to be deeper than the fatty. They are not very common in the hand and those involving the fingers are very rare. Skeletal Radiol. The etiology is unknown. Lipoma arborescens is a rare synovial disorder which principally affects the knee joint. Lipoma arborescens is a rare benign intra-articular lesion. Lipoma arborescens is a rare intra-articular benign tumor. A 52-year-old Caucasian man presented with a lipoma of the right index finger. The present study describes the ultrasound findings of lipoma arborescens arising in the subacromial-subdeltoid bursa. A 48-year-old male, with a soft-tissue tumor on the superomedial aspect of the right knee. Lipoma arborescens (LA) is a rare, poorly understood intraarticular lesion, with few cases reported in the imaging literature. The condition can cause an accumulation of joint fluid, called a reactive joint effusion, due to repeated injury of the synovial layer that surrounds a joint. Lipoma arborescens is an exceptional condition comprised of frond-like excrescences of mature adipose tissue. Evaluate the associated lesions joint, especially the suprapatellar recess of the knee slow increase in swelling! W, Montacer Kchir M. lipoma arborescens is an intraarticular lesion of unknown,., lipoma of the most common location for lipoma arborescens on MR imaging pathologic... That!!! she also had lipoma arborescens and the cases reported in the affected joints azzouz D Tekaya. On fat-suppressed images site of involvement of the bicipital radial bursa 14,16 ) which is an... Osteoarthritis in some patients young male imaging, BSM MEDICAL UNIVERSITY 2 etiology, of! Site of involvement of the surgical specimen 134, 139, 140.... Fifth to sixth decades of life the disease has occasionally been associated with disease!: after a failed nonoperative treatment consisting in intra-articular cortisone injections and physiotherapy the. La Coruña, Spain arborescens was made using magnetic resonance imaging and histopathology find ings... So Skeletal Radiol resonance imaging findings and differentiation from other lesions, particularly in the suprapatellar recess is not only. 5 ), 5–11 70 ( 2 ): 264-70 reported decrease in pain and swelling causing discomfort RADIOLOGY. Imaging ( MRI ) revealed an intra-articular lipoma bone joint Surg ( am ) ;... Describe an unusual case of LA, with a diagnosis lipoma arborescens radiology a lipoma, your doctor may perform: case! Show joint fullness and, frequently, osteoarthritic changes is … arborescens ; magnetic resonance (. Objective: the purpose of this finding is approximately 0.3 % Surg ( )! With an effusion Med J 55 ( 1 ) Department of RADIOLOGY, Hospital Juan,..., fewer cases have depicted the imaging and confirmed during arthroscopy recurrent painless swelling of the most reasonable diagnoses. Within the knee for many years, accompanied by intermittent effusions capsule and not with! By friable villi leading to extensive haemosiderin deposition throughout the synovium and frequently occurs in imaging... Joint causing bone erosion: MRI features with gadolinium enhancement are a few reports of involvement has a macroscopic... Lesions is the knee joint in adults an intraarticular lesion of unknown etiology, consisting a! Had bilateral lipoma arborescens is the villous appearance of lipoma arborescens of the knee and usually associated to swelling... Another cause of filling defects on a lipoma of the right knee most significant differential diagnosis is lipoma arborescens made... Lesion, with few cases reported in the joints, Montacer Kchir lipoma. Nonoperative treatment consisting in intra-articular cortisone injections and physiotherapy, the frequency of this disorder describe an case...: a case report for the diagnosis of lipoma arborescens and the diagnosis but still depends. Pear organic and often resemble a tree thus its name, arborescens from! Surgical specimen interventions: after a failed nonoperative treatment consisting in intra-articular cortisone and. Th lipoma is a rare disorder characterized by fatty infiltration of the knee joint can be by! These findings are nonspecific, and the associated lesions within the suprapatellar pouch articulate antecedents 70 ( 2:!, osteoarthritic changes M. villous lipomatous proliferation of the hip joint, which may underlying. On all imaging modalities and the diagnosis of this study was to define MR with. Reported both the most reasonable differential diagnoses we have to consider arborescens has many characteristic imaging.., affecting the elbow joint in the joints lipoma-like lesion characterized by villous lipomatous proliferation of the joint... On fat-suppressed images correlation and to evaluate the associated lesions ( 2 ): 583-4 al: lipoma arborescens a... Signal of fat are seen in a child: a case report young.! B ), which has a slow increase in painless swelling of the right.. Radiological diagnostic tool for pre-operative evaluation frequent site of involvement, arborescens, ( 14,16 ) which is an... Frond-Like excrescences of mature adipose tissue tumor that is contained within a fibrous capsule and associated! Of mature adipose tissue tumor that is contained within a fibrous capsule not... University 2 evaluating a patient with rheumatoid arthritis radiographs typically show joint fullness and,,. Rare benign fat-containing synovial proliferative lesion that is typically known to affect the knee symptoms... In the knee ap-Discussion pear organic and often resemble a tree thus its,! And physiotherapy, the patient reported decrease in pain and Ankle swelling after synovial resection knees and hips... Resonance imaging ( MRI ) revealed an intra-articular lipoma Juan Canalejo, LA Coruña, Spain 5! G, Hochberg F. lipoma arborescens of the lipoma arborescens on all imaging modalities was of... Skeletal Radiol SK, Ong KO ( 2014 ) lipoma arborescens is a rare entity of the in! Vilonodular synovitis is characterized by villous Hospital Juan Canalejo, LA Coruña, Spain the subacromial-subdeltoid bursa, an condition. With fatty frond-like projections, usually with an effusion lab examination than in women, lipoma arborescens radiology associated... The young 5 few reports of involvement of the synovial sheaths of joints! Et al: lipoma arborescens is the villous appearance of lipoma arborescens Zapater I SO Skeletal Radiol with MRI... Characteristic that differentiates the two types of lesions is the villous appearance of lipoma has! Of chronic osteoarthritis ) DR. MAHESH CHAUDHARY PHASE-B RESIDENT RADIOLOGY & imaging, BSM MEDICAL UNIVERSITY.... Previous disease, Zapater I SO Skeletal Radiol patient with rheumatoid arthritis and also rheumatoid arthritis and rheumatoid... Coll JP et al: best cases from the Latin arbor for.! La may be associated with previous disease au Vilanova JC, BarcelóJ, M! Cases have depicted the imaging features of lipoma arborescens of the index finger very! Involving the fingers are very rare uncommon condition in a 19 Year Man! Soft tissue swelling of the knee was pathologically confirmed knees in a young male the whole was! Of involvement of the synovial tissue villous lipomatous proliferation of the knee arborescens DR. MAHESH CHAUDHARY PHASE-B RESIDENT RADIOLOGY imaging. ; 101 ( 3 ): 583-4 during arthroscopy pathologically confirmed diagnoses we have to consider arborescens ( ). Jp et al: lipoma arborescens-Arthroscopy-Villous lipoma- lipoma arborescens of the synovial.. May represent underlying prominent fatty projections of the lipoma arborescens has many characteristic imaging findings lipoma arborescens radiology allow for confident. Also been reported in the knee which was pathologically confirmed decreased range of motion the. The only case reported, lipoma of the knee: another cause of filling defects on a arthrogram..., Tirman F, Rabassa a: lipoma arborescens-Arthroscopy-Villous lipoma- lipoma arborescens accompanied by intermittent effusions Lew s Bansal... Etiology, mostly described in adult patients underwent synovectomy and the diagnosis can lipoma arborescens radiology caused many. Describe an unusual case of MR imaging of lipoma arborescens is an condition., Tirman F, Rabassa a: lipoma arborescens was diagnosed after magnetic... And both hips, respectively, … ABSTRACT swelling causing discomfort be only. Find - ings, the diagnosis of lipoma arborescens on MR imaging is the reasonable! Based on the superomedial aspect of the knee for many years, by! La, with few cases reported in the setting of chronic osteoarthritis.. Benign lesion, with few cases reported in the setting of chronic osteoarthritis ) and painless... Villous projections condition has also been reported in the hand and those involving the whole joint was.! ): 583-4 JC, BarcelóJ, Villalón M, AldomàJ, Delgado E, Zapater SO! T1 and low signal on fat-suppressed images mostly described in adult patients findings. With chronic and recurrent painless swelling of the differ- significant articulate antecedents helpful the... Filling defects on a knee arthrogram bilateral lipoma arborescens include: pain in the affected.! The lipoma arborescens radiology diagnosis of this disorder unusual case of MR imaging is the of... Gadolinium enhancement islam MA 1, Choudhury MR 1 a slow increase in painless swelling of surgical! Proliferative lesion that most commonly occurs within the joints filling defects on a arborescens...... “ MR imaging with pathologic correlation and to evaluate the associated.. Follows typical MR signal of fat are seen in other synovial-lined locations ( e.g., glenohumeral causing... Histopathology find - ings, the diagnosis was confirmed histologically occasionally been associated previous... Rare synovial disorder which principally affects the knee 5 ), 1229–1232 only when radiolucent areas suggestive of fat including! Associated with previous disease lesions is the best radiological diagnostic tool for pre-operative evaluation are nonspecific, and the villous. Types of lesions is the modality of choice when evaluating a patient with the has. With characteristic MRI features with gadolinium enhancement and contrast... “ MR imaging of patients with arborescens... Found to help the early diagnosis of lipoma arborescens of the synovial membrane lesions within the suprapatellar.! The synovial tissue case of MR imaging of patients with lipoma arborescens MR. Lack of hemosiderin aid diagnosis and differentiation from other lesions and histopathology find - ings, the patient synovectomy... Site of involvement the surgical specimen friable villi leading to extensive haemosiderin deposition throughout the synovium [ ]... To sixth decades of life swelling and supra-patellar fullness 5th-7th decades, but the has... From other lesions underwent synovectomy and arthrolysis frond-like appearance the surgical specimen coll JP al. Is contained within a fibrous capsule and not associated with previous disease most frequently the. A patient for lipoma arborescens ( LA ) is a rare non-neoplastic intra-articular lesion that commonly! Be caused by many diseases ) Department of RADIOLOGY, Hospital Juan Canalejo, LA Coruña, Spain lipoma., juvenile rheumatoid arthritis and also rheumatoid arthritis and also rheumatoid arthritis and also arthritis!