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Lipedema is a little-known alteration or disorder in the distribution of body fat, which affects almost exclusively women and primarily involves the lower extremities.   Epidemiological data are currently scarce and not helpful to determine the exact incidence of lipedema in the general population; its etiology and physiopathology are not clear enough; its diagnosis is basically clinical, since there are no specific diagnostic tests or enough scientific evidence to support it. However, its clinical manifestations imply deterioration in patients’ quality of life due to the physical, psychological and social impact it entails.   Since about 70% of cases are associated with pain in extremities, these are usually referred to phlebology and lymphology specialists. Treatments to control the edema are not usually successful in reducing the volume of the extremities.   This is in addition to determinants of fashion from the 21st century that demand most women to have slender bodies, while the reality is that overweight and obesity are alarmingly increasing. About 80% of obese patients do not admit to have excess weight, complicating its early diagnosis and prevention of its evolution and, consequently, delaying treatment in patients with this disease.   Due to the clinical presentation and symptoms associated with lipedema, patients are often misdiagnosed with lymphedema, obesity, lipodystrophies or chronic venous insufficiency, and therefore they are not correctly and effectively treated; in the best case scenario, they are administered symptomatic treatments.   In the absence of unified criteria for lipedema, and given the national and international controversy surrounding the term, the Spanish Association of Lymphedema and Lipedema (AEL) has put together a multidisciplinary working group of health professionals from different fields involved in the diagnosis and treatment of this disorder to draft this Consensus Document.   The aim was to answer multiple questions using the documentary evidence and clinical experience available to date.   Is the currently described physiopathology enough to explain lipedema?   Is it a progressive alteration? Does it always get worse?   When you have lipedema, is the progressive increase in body fat percentage normal?   If the main symptom is not the edema: Is manual lymphatic drainage an essential tool for the treatment?   Is it correct to prescribe compression garments in all cases?   What are the most effective treatments?   This working group included the participation of: The Spanish Association of Lymphedema and Lipedema (AEL), the Spanish Chapter of Phlebology and Lymphology (CEFyL) from the Spanish Society of Angiology and Vascular Surgery (SEACV), the Spanish Society of Aesthetic Medicine (SEME), the Spanish Society of Plastic, Reconstructive and Aesthetic Surgery (SECPRE), the Spanish Society of Dietetics and Food Science (SEDCA), the Complutense University of Madrid, and doctors specialized in Physical Medicine and Rehabilitation from the Spanish Society of Rehabilitation and Physical Medicine (SERMEF).   This document includes several chapters on the definition and physiopathology of lipedema, its diagnostic methods, differential diagnosis, classification and treatment using physical, pharmacological and surgical means. It is hoped that it can help people with lipedema and health professionals caring for them.   However, there is still a lot to learn about the etiopathogenesis, diagnosis and treatment of lipedema, so research must continue and be completed with epidemiological studies of its incidence and prevalence, always using an interdisciplinary approach.

Background Lipedema is a chronic disorder presenting in women during puberty or other times of hormonal change such as childbirth or menopause, characterized by symmetric enlargement of nodular, painful subcutaneous adipose tissue (fat) in the limbs, sparing the hands, feet and trunk. Healthcare providers underdiagnose or misdiagnose lipedema as obesity or lymphedema. Materials and methods The benefits (friend) and negative aspects (foe) of lipedema were collected from published literature, discussions with women with lipedema, and institutional review board approved evaluation of medical charts of 46 women with lipedema. Results Lipedema is a foe because lifestyle change does not reduce lipedema fat, the fat is painful, can become obese, causes gait and joint abnormalities, fatigue, lymphedema and psychosocial distress. Hypermobility associated with lipedema can exacerbate joint disease and aortic disease. In contrast, lipedema fat can be a friend as it is associated with relative reductions in obesity-related metabolic dysfunction. In new data collected, lipedema was associated with a low risk of diabetes (2%), dyslipidemia (11.7%) and hypertension (13%) despite an obese average body mass index (BMI) of 35.3 ± 1.7 kg/m2. Conclusion Lipedema is a painful psychologically distressing fat disorder, more foe than friend especially due to associated obesity and lymphedema. More controlled studies are needed to study the mechanisms and treatments for lipedema.

Background Lipedema is a chronic disorder presenting in women during puberty or other times of hormonal change such as childbirth or menopause, characterized by symmetric enlargement of nodular, painful subcutaneous adipose tissue (fat) in the limbs, sparing the hands, feet and trunk. Healthcare providers underdiagnose or misdiagnose lipedema as obesity or lymphedema. Materials and methods The benefits (friend) and negative aspects (foe) of lipedema were collected from published literature, discussions with women with lipedema, and institutional review board approved evaluation of medical charts of 46 women with lipedema. Results Lipedema is a foe because lifestyle change does not reduce lipedema fat, the fat is painful, can become obese, causes gait and joint abnormalities, fatigue, lymphedema and psychosocial distress. Hypermobility associated with lipedema can exacerbate joint disease and aortic disease. In contrast, lipedema fat can be a friend as it is associated with relative reductions in obesity-related metabolic dysfunction. In new data collected, lipedema was associated with a low risk of diabetes (2%), dyslipidemia (11.7%) and hypertension (13%) despite an obese average body mass index (BMI) of 35.3 ± 1.7 kg/m2. Conclusion Lipedema is a painful psychologically distressing fat disorder, more foe than friend especially due to associated obesity and lymphedema. More controlled studies are needed to study the mechanisms and treatments for lipedema.

Das Lipödem ist weit mehr als einfach nur dickere und schmerzhafte Beine! Die Erkrankung Lipödem ist mit zahlreichen Mythen behaftet. Im ersten Teil dieser Übersicht werfen wir einen kritischen Blick auf zwei populäre Statements zum Lipödem; Statements, die vor Jahrzehnten schon Eingang in wissenschaftliche Publikationen gefunden haben und seither unkritisch und stetig wiederholt werden; Statements, die inzwischen zum selbstverständlichen Wissensallgemeingut von Lipödempatientinnen und vor allem auch von Lipödem-Selbsthilfegruppen geworden sind. In unserer Darstellung über die Mythen des Lipödems fokussieren wir uns in diesem Beitrag vor allem auf zwei Aspekte, die aufs Engste mit dem Lipödem verbunden sind: auf die Adipositas sowie auf die psychische Situation von Lipödempatientinnen – die wiederum eng mit der Adipositas in Zusammenhang steht. Dabei überprüfen wir zwei häufig publizierte Statements auf wissenschaftliche Evidenz: 1. „Das Lipödem ist eine progrediente Erkrankung”, 2. „Ein Lipödem macht psychisch krank”. Beide Statements widersprechen in hohem Maße unserer seit Jahren bestehenden täglichen klinischen Erfahrung mit diesem speziellen Patientengut. Gleichzeitig haben wir im Rahmen unserer umfangreichen Literaturrecherche festgestellt, dass es auch keine Evidenz für diese in den „Lipödemsprachgebrauch” eingegangenen Behauptungen gibt. Tatsachlich ist das Lipödem in der Regel keine progrediente Erkrankung! Vielmehr liegt bei Lipödempatientinnen häufig eine Gewichtsprogredienz (meist eine Adipositasprogredienz) vor, in deren Folge sich auch das Lipödem verschlechtern kann. Unsere Pilotstudie zum 2. Statement macht deutlich, dass in der Regel nicht das Lipödem Ursache von psychischen Erkrankungen ist. Hier weisen unsere Ergebnisse in die umgekehrte Richtung: Eine – vorbestehende – psychische Vulnerabilität kann ganz wesentlich zum Krankheitsbild Lipödem beitragen. Um das Lipödem in seiner ganzen Komplexität und Vielfalt zu erfassen, braucht es mehr als nur Medizin. Psychosoziale Therapieansätze sollten integraler Bestandteil eines wirksamen multimodalen Behandlungskonzepts sein. Neben den beiden dargestellten Mythen gibt es weitere, die sich um das Lipödem ranken. Diese werden in weiteren Ausgaben dieser Zeitschrift diskutiert werden.

OBJECTIVE: To test the hypothesis that tissue sodium and adipose content are elevated in patients with lipedema; if confirmed, this could establish precedence for tissue sodium and adipose content representing a discriminatory biomarker for lipedema. METHODS: Participants with lipedema (n = 10) and control (n = 11) volunteers matched for biological sex, age, BMI, and calf circumference were scanned with 3.0-T sodium and conventional proton magnetic resonance imaging (MRI). Standardized tissue sodium content was quantified in the calf skin, subcutaneous adipose tissue (SAT), and muscle. Dixon MRI was employed to quantify tissue fat and water volumes of the calf. Nonparametric statistical tests were applied to compare regional sodium content and fat-to-water volume between groups (significance: two-sided P ≤ 0.05). RESULTS: Skin (P = 0.01) and SAT (P = 0.04) sodium content were elevated in lipedema (skin: 14.9 ± 2.9 mmol/L; SAT: 11.9 ± 3.1 mmol/L) relative to control participants (skin: 11.9 ± 2.0 mmol/L; SAT: 9.4 ± 1.6 mmol/L). Relative fat-to-water volume in the calf was elevated in lipedema (1.2 ± 0.48 ratio) relative to control participants (0.63 ± 0.26 ratio; P < 0.001). Skin sodium content was directly correlated with fat-to-water volume (Spearman's rho = 0.54; P = 0.01). CONCLUSIONS: Internal metrics of tissue sodium and adipose content are elevated in patients with lipedema, potentially providing objective imaging-based biomarkers for differentially diagnosing the under-recognized condition of lipedema from obesity.

Lymphedema often is confused with other causes of extremity edema and enlargement. Understanding the risk factors and physical examination signs of lymphedema can enable the health care practitioner to accurately diagnose patients ∼90% of the time. Confirmatory diagnosis of the disease is made using lymphoscintigraphy. It is important to correctly diagnose patients with lymphedema so that they can be managed appropriately.

Several imaging modalities have been used to assess lymphatic function, including fluorescence microscopy, near-infrared fluorescence (NIRF) imaging, and Doppler optical coherence tomography (DOCT). They vary in how the mouse is positioned, the invasiveness of the experimental setup, and the volume of contrast agent injected. Here, we present how each of these experimental parameters affects functional measurements of collecting lymphatic vessels. First, fluorescence microscopy showed that supine mice have a statistically lower contraction frequency compared with mice sitting upright. To assess the effect of different injection volumes on these endpoints, mice were injected with 4, 10, or 20 μl of dye. The lowest frequencies were observed after 20-μl injections. Interestingly, lymph-flow DOCT revealed that although there was lower contraction frequency in mice injected with 20 μl versus 4 μl, mice showed a higher volumetric flow with a 20-μl injection. This indicates that contraction frequency alone is not sufficient to understand lymphatic transport. Finally, NIRF revealed that removing the skin reduced contraction frequency. Therefore, this study reveals how sensitive these techniques are to mouse position, removal of skin, and dye volume. Care should be taken when comparing results obtained under different experimental conditions.

Unilateral lower extremity edema below the knee commonly results from deep venous thrombosis, venous insufficiency, or lymphedema. The patient history, a physical examination, and lower extremity venous duplex ultrasound often reveal the underlying etiology, which is frequently of vascular origin. Presently described is the case of a 23-year-old patient who underwent a diagnostic workup for unilateral leg swelling and was found to have a relatively uncommon cause of edema: lipedema. Lipedema is a disease characterized by subcutaneous adipose tissue deposition, and although diagnosed very rarely in general cardiology outpatient clinics, it has been demonstrated to be a cause of lower extremity edema in approximately one-fifth of cases in specialized clinics.

Unilateral lower extremity edema below the knee commonly results from deep venous thrombosis, venous insufficiency, or lymphedema. The patient history, a physical examination, and lower extremity venous duplex ultrasound often reveal the underlying etiology, which is frequently of vascular origin. Presently described is the case of a 23-year-old patient who underwent a diagnostic workup for unilateral leg swelling and was found to have a relatively uncommon cause of edema: lipedema. Lipedema is a disease characterized by subcutaneous adipose tissue deposition, and although diagnosed very rarely in general cardiology outpatient clinics, it has been demonstrated to be a cause of lower extremity edema in approximately one-fifth of cases in specialized clinics.

Introduction Lipedema (meaning edema in fat) and Dercum Disease (DD) are fat disorders in which accumulation of painful subcutaneous adipose tissue (SAT) affects more females than males, especially at times of female hormone change. Patients with both fat disorders are often misdiagnosed as obese. The purpose of this study was to determine if estrogen (ER) and progesterone receptors (PR) are different in lipedema versus DD in SAT and skin versus controls. These receptors are on mast cells that produce histamine causing leakage from blood vessels inducing hypoxia and angiogenesis. Progesterone is known to activate histamine release from mast cells. We aim to determine levels of ER and PR in SAT and if blood vessels replicate at a higher rate in lipedema and DD versus controls to help further understand these conditions and work towards finding a cure. Materials and Methods Immunohistochemistry (San Diego Pathology, San Diego, CA) was used to test for the presence of PR, ER, Ki67 (marker of replicating cells), and CD117 (marker of mast cells). Results and Discussion Mast cell numbers were similar in control, DD and lipedema SAT (Figure). ER were not different in control, DD and lipedema SAT. PR were significantly lower in lipedema SAT. There was no difference in Ki67 in lipedema or DD blood vessels compared to controls. Conclusion Lower numbers of PR in our data suggest mast cell secretions (histamine and others) could be higher inducing leakage from vessels and fluid collection in SAT. Fluid in the tissue should induce hypoxia and growth of more blood vessels. Despite higher PR on mast cells, lipedema blood vessels did not appear to be replicating at a higher level. With further research and additional samples, the relevance of elevated PR in lipedema tissue may become apparent. Support or Funding Information Research reported in this poster was supported by the National Institute of General Medical Sciences of the National Institutes of Health under linked Award Numbers RL5GM118969, TL4GM118971, and UL1GM118970. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. Special acknowledgement to the Minority Health Disparities summer research program at the University of Arizona, the College of Medicine Tucson Treatment, Research, and Education of Adipose Tissue Program. This abstract is from the Experimental Biology 2018 Meeting. There is no full text article associated with this abstract published in The FASEB Journal.

Lipedema is a chronic metabolic disorder of the adipose tissue, of unknown aetiology, and is marked by a bilateral and symmetrical swelling of the lower extremities, caused by extensive deposits of subcutaneous fatty tissue (local lipohypertrophy). Proliferative subcutaneous fatty tissue compresses the lymph collectors of the superficial lymphatic system. Lymphedema is characterized swelling of soft tissues by accumulation of lymphatic fluid [1]. If lipolympedema remains untreated, it will progress through the same stages as pure lymphedema [1,2]. A helpful diagnostic tool to distinguish lipedema from lymphedema is Stemmers sign. Limb circumference or volume measurements are commonly used for diagnosis and for following lymphedema progression [3]. Developing technology also brings new approaches for lymphedema diagnosis: bioimpedance, 99mTc lymphoscintigraphy, magnetic resonance lymphangiography etc. Ultrasound is recently developing imaging technique for both lymphedema diagnosis and follow up [4]. In this case report localized lipedema which diagnosed with ultrasonography, in a patient with osteoarthritis in the knee joint was discussed.

Lipoedema is a condition characterised by symmetrical lower limb enlargement. It was first described by Allen & Hines who coined the term lipoedema. The result of subcutaneous deposition of fat gives rise to fatty swelling in the buttocks, thighs and lower limbs sparing the feet. It is associated with obesity and hence upper limbs and rarely trunks are also affected.  This Clinical condition affects females predominantly 1:4 and hence has a profound effect on the psychology therefore it is not uncommon to see these patients with a low self esteem, socially isolated and depressed. Due to its resemblance to lymphoedema it is not unusual to be misdiagnosed, thus leading to a spiral of inappropriate tests and improper treatment outcome.

INTRODUCTION: Nowadays, liposuction is the most frequently performed aesthetic surgery procedure in Western Countries. This technique has had rapid development since the 1970s, when it was experimented for the first time by A. and G. Fischer. It is currently widely used in clinical practice for many different situations in aesthetic, reconstructive and functional fields. MATERIALS AND METHODS: This review aims to describe the historical evolution of liposuction by analyzing the transformation of the method in function of the introduction of innovative ideas or instruments. We have also focused on reporting the major clinical applications of this surgical technique, applicable to almost the entire body surface. We finally analyzed the complications, both major and minor, associated with this surgical technique. RESULTS: Liposuction is mainly used to correct deep and superficial fat accumulations and remodel the body contour. It has become an essential complementary technique to enhance the aesthetic result of many other aesthetic procedures such as reduction mammoplasty, abdominoplasty, brachioplasty, thigh lift and post bariatric body contouring. However, it can be largely used for the treatment of innumerable pathologies in reconstructive surgery such as lipomas, lipedema, lipodystrophies, pneudogynecomastia and gynecomastia, macromastia e gigantomastia, lymphedema and many others. The complication rate is very low, especially when compared with conventional excisional surgery and the major, complications are generally associated with improper performance of the technique and poor patient management before and after surgery. CONCLUSION: Liposuction is a safe, simple and effective method of body contouring. It has enormous potential for its application in ablative and reconstructive surgery, far from the most common aesthetic processes with a very low complication rate.

Lipedema an often overlooked but treatable disease Lipedema is a painful disease that affects some women between puberty and menopause through a subcutaneous fat accumulation especially in the lower extremities. Patients suffer from pain and pressure tenderness. The larger fat accumulation, especially on the inside of the thighs and knees, causes walking difficulties. This can successfully be treated by liposuction with good long-term results in terms of pain reduction and prevention of osteoarthritis development in the knee and ankle joints.

Lipoedematous scalp (LS) is an extremely rare condition characterised by a soft and boggy consistency in the scalp due to an increased layer of subcutaneous tissue.In this report, we present a case of LS in a 64-year-old Indian woman. Clinical examination revealed only vague boggy lumpiness involving the whole of occipital scalp extending to parietal scalp. MRI scalp showed diffuse fatty infiltration of the scalp, particularly at the posterior parietal and occipital convexity extending to both lateral aspects of the cranium, with homogeneous signal in keeping with fat. Incidentally MRI also found diffuse fatty infiltration of the parotids.The aethiopathogenesis of LS is still unknown, however it is believed that the hormone leptin could be the key hormone in the dysregulation of fat deposition and distribution. This case report highlights the subtle features with which these cases can present and explores the literature on reported cases of LS.