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In case of an acute leg swelling a deep leg vein thrombosis needs to be excluded. In order to do this, compression sonography and the D-dimer-test are applied in the framework of an established diagnostic algorithm. The ensuing therapy consists in anticoagulation and compression.In case of a chronic leg swelling anamnesis and a clinical check-up often lead to a differential diagnosis. Chronic venous insufficiency is a generic term for a disturbed venous backflow. It is caused by an obstruction or an antegrade or retrograde flow insufficiency. Most common diseases in this context are varicosis or a post-thrombotic syndrome. Sonography and special function tests provide a diagnosis. The basic therapy consists in regular exercise, normalization of weight and compression therapy. In case of a hemodynamically relevant varicose vein surgery or endovascular treatment is advisable. The post-thrombotic syndrome must be treated consistently with the basic therapy.A lymphedema may be hereditary or acquired. In a first step diseases like neoplasia need to be excluded. The initial therapy consists in manual lymph drainage in combination with special compression bandages. Flat knit stockings should be prescribed. Surgical treatment is reserved for special circumstances.A lipedema is clinically diagnosed. It is characterized by lipohypertrophia, pressure sensitivity of the tissue and susceptibility to hematomas. Treatment options include weight reduction, regular exercise, lymph drainage and compression therapy, in some cases liposuction.

Lipedema is a chronic disabilitating disease affecting the subcutaneous adipose tissue of the extremities in females during or after puberty. The disease is characterized by bilateral swelling of legs and/or arms, bruising, and pain. In contrast to lymphedema, the most distal parts remain unaffected. In contrast to obesity, patients with lipedema have a lower risk of diabetes mellitus. The pathogenesis is not well understood. However, hormonal factors seem to play a vital role, as it is an exclusively female disorder. The recent advantages in understanding and treating lipedema are reviewed.

<p>Um das Lipödem ranken sich zahlreiche Mythen! In diesem vierten Beitrag unserer Artikelserie setzen wir uns mit dem Stellenwert der Liposuktion beim Lipödem auseinander. Wir diskutieren das von vielen die Liposuktion durchführenden Ärzten verbreitete Statement: „Die Liposuktion führt zu ausgeprägter und dauerhafter Verbesserung des Lipödems“. Wir konnten zeigen, dass zwischen den oft euphorischen Versprechungen der chirurgisch tätigen Kollegen und der aktuellen Studienlage zur Liposuktion eine erhebliche Lücke klafft. Sowohl Studienqualität als auch Studiensetting weisen erhebliche Mängel auf, Mängel, die Zweifel an diesem verbreiteten Statement aufkommen lassen. Eine ähnliche Lücke klafft darüber hinaus zwischen den Empfehlungen der S1-Leitlinie Lipödem und der tatsächlichen „Absaugpraxis“ bei adipösen Lipödempatientinnen. Die in den Leitlinien empfohlene „kritische Indikationsstellung“ bei gleichzeitigem Auftreten von Lipödem und Adipositas findet kaum Gehör. Es kann daher nicht genug betont werden, dass Liposuktion keine Methode ist, um Adipositas zu behandeln. Gleichwohl kann die Liposuktion durchaus zu einer Verbesserung des Lipödems beitragen. Entscheidend für den Therapieerfolg ist die Auswahl der Patientinnen, die aufgrund – medizinischer – Kriterien erfolgen muss. Darüber sollte die Liposuktion in ein Gesamtkonzept eingebunden werden, welches psychosoziale, ernährungs- und sportmedizinische Gesichtspunkte berücksichtigt.</p>

Lipedema is a chronic fat disorder with disproportional fat distribution, especially around the legs, hips, and sometimes arms, and it affects women almost exclusively. The major symptoms and complaints include pain in the soft tissue and the feeling of “heavy legs.” The perception of pain depends to a high degree on the psychological condition of the patient. Obesity is the major comorbidity and can worsen lipedema. In combination with impaired levels of physical activity, there is an increase in interstitial filtration, and noninfectious inflammation with capillary leakage can occur. Eventually, chronic edema develops due to the dynamic insufficiency of the lymphatic system. However, edema is not a pathognomonic aspect of lipedema. There are many controversies and myths about the condition lipedema, and no objective diagnostic tool is available to confirm the diagnosis. Therapeutic approaches in lipedema are multimodal and focus on the biomedical, psychological, and functional aspects involved with the disorder. A lifestyle change is often part of the therapeutic program, along with other therapeutic interventions, such as exercise, compression, weight management, and nutritional and psychological support. Clinimetrics with validated techniques in all fields of human functioning of a lipedema patient are mandatory to objectively evaluate the improvements that are due to the treatment program. Liposuction is a technique to remove fat and is therefore introduced to treat lipedema. Some doctors who offer the procedure state that “liposuction leads to comprehensive and long-term improvements in lipedema and cures the disease.” These statements are often too optimistic and lead to high costs for the patient and disappointment in the end. However, liposuction can lead to improvements in lipedema when offered within a therapeutic program that includes other nonoperative modalities for the correct selection of patients according to their medical criteria. It cannot be emphasized enough that liposuction is not a method that should be used to treat obesity.

Subcutaneous adipose tissue diseases involving adipose tissue and its fascia, also known as adipofascial disorders, represent variations in the spectrum of obesity. The adipofascia diseases discussed in this chapter can be localized or generalized and include a common disorder primarily affecting women, lipedema, and four rare diseases, familial multiple lipomatosis, angiolipomatosis, Dercum disease, and multiple symmetric lipomatosis. The fat in adipofascial disorders is difficult to lose by standard weight loss approaches, including lifestyle (diet, exercise), pharmacologic therapy, and even bariatric surgery, due in part to tissue fibrosis. In the management of obesity, healthcare providers should be aware of this difficulty and be able to provide appropriate counseling and care of these conditions. Endocrinologists and primary care providers alike will encounter these conditions and should consider their occurrence during workup for bariatric surgery or hypothyroidism (lipedema) and in those that manifest, or are referred for, dyslipidemia or diabetes (Dercum disease). People with angiolipomas should be worked up for Cowden’s disease where a mutation in the gene PTEN increases their risk for thyroid and breast cancer. This chapter provides details on the pathophysiology, prevalence, genetics and treatments for these adipofascial disorders along with recommendations for the care of people with these diseases. For complete coverage of all related areas of Endocrinology, please visit our on-line FREE web-text, WWW.ENDOTEXT.ORG.

Venous ulcers are chronic transcutaneous wounds common in the lower legs. They are resistant to healing and have a 78% chance of recurrence within 2 years. It is commonly accepted that venous ulcers are caused by the insufficiency of the calf muscle pump, leading to blood pooling in the lower legs, resulting in inflammation, skin oedema, tissue necrosis and eventually skin ulceration. However, the detailed physiological events by which inflammation contributes to wound formation are poorly understood. We therefore sought to develop a model that simulated the inflammation, using it to determine the internal stresses and pressure on the skin that contribute to venous ulcer formation. A three-layer finite-element skin model (epidermis, dermis and hypodermis) was developed to explore the roles in wound formation of two inflammation identifiers: glycosaminoglycans (GAG) and sodium. A series of parametric studies showed that increased GAG and sodium content led to oedema and increased tissue stresses of 1.5 MPa, which was within the reported range of skin tissue ultimate tensile stress (0.1–40 MPa). These results suggested that both the oedema and increased fluid pressure could reach a threshold for tissue damage and eventual ulcer formation. The models presented here provide insights to the pathological events associated with venous insufficiency, including inflammation, oedema and skin ulceration.

Cellulite is a change of the skin and subcutaneous tissue that develops mainly in the thighs and gluteal region of almost all women. Many concepts in the pathological physiology of cellulite are to some extent contradictory and inconclusive; however, some studies point to structural changes in the dermis and subcutaneous tissue. A correlation of cellulite with focal hypertrophic subcutaneous connective tissue strands and lower density of connective tissue septa in subcutaneous tissue also point to changes in the related gluteal fascia and thus in the closely interlaced gluteal muscles. A rapid degenerative development of the muscle dynamics that were originally gained over generations unquestionably occurs in the Caucasian race and its related urbanization. The gender-specific dimorphism in the subcutaneous area must also be investigated further, since almost exclusively women are affected. For this reason we have anatomically examined male and female gluteal zones and demonstrated significant genderspecific changes. In particular, a weakening of the muscle-tendon and muscle-fascia dynamics of the gluteal muscles appears to be responsible for the round, superficially visible dermal changes. The entire embryonic unit of the muscle-fascia-skin structures in the buttocks and thigh area is involved in female cellulite. A transformation of these degenerative changes through regenerativemeasures, such as active movement and shock wave therapy is, therefore, appropriate and necessary.

Cellulite is a change of the skin and subcutaneous tissue that develops mainly in the thighs and gluteal region of almost all women. Many concepts in the pathological physiology of cellulite are to some extent contradictory and inconclusive; however, some studies point to structural changes in the dermis and subcutaneous tissue. A correlation of cellulite with focal hypertrophic subcutaneous connective tissue strands and lower density of connective tissue septa in subcutaneous tissue also point to changes in the related gluteal fascia and thus in the closely interlaced gluteal muscles. A rapid degenerative development of the muscle dynamics that were originally gained over generations unquestionably occurs in the Caucasian race and its related urbanization. The gender-specific dimorphism in the subcutaneous area must also be investigated further, since almost exclusively women are affected. For this reason we have anatomically examined male and female gluteal zones and demonstrated significant genderspecific changes. In particular, a weakening of the muscle-tendon and muscle-fascia dynamics of the gluteal muscles appears to be responsible for the round, superficially visible dermal changes. The entire embryonic unit of the muscle-fascia-skin structures in the buttocks and thigh area is involved in female cellulite. A transformation of these degenerative changes through regenerativemeasures, such as active movement and shock wave therapy is, therefore, appropriate and necessary.

The easiest way to differentiate lipedema from lymphedema is to detect lipedema-associated clinical symptoms (e.g., cuffing sign, retromalleolar fat pads, tenderness of the skin). Physical examinations including the Streeten test, waist-to-height ratio, capillary fragility, and pain measurements can also aid in differential diagnosis. The last two methods can be used to follow and measure therapeutical efficacy. Imaging techniques (ultrasound, computed tomography, magnetic resonance imaging, lymphoscintigraphy, infrared fluoroscopy) and cardiovascular methods (aortic stiffness determination, three-dimensional speckle tracking echocardiography) are sensitive tools to find subtle differences.

Lipedema is a clinical entity frequently misdiagnosed or confounded with primary lymphedema. Lipedema is an adipose tissue disorder, also pathological itself, that occurs almost exclusively in obese women. It is characterized by bilateral enlargement from hip to ankle due to abnormal deposits of subcutaneous fat, usually sparing the feet. This disease usually occurs at or just after puberty. Patients may complain of pain, easy bruising of the affected areas with moderate to severe sensitivity to digital pressure or pinching, and mild edema after orthostatism. Lipedema results in considerable frustration and distress resulting from the cosmetic appearance. Imaging studies using computed tomography, magnetic resonance imaging, and lymphoscintigraphy are not indicated, except if the diagnosis is atypical or doubtful or to confirm lipedema. Long-term evolution may alter lymphatic system and lead to a lipo-lymphedema, then involving the foot, with specific complications such as cellulitis. Lipedema management is not codified and includes weight loss (which poorly improves leg appearance or discomfort), psychological counselling, compression therapy often poorly tolerated and physical activity, particularly aquatic. Liposuction using tumescent local anesthesia, may reduce edema, spontaneous pain, sensitivity to pressure, bruising and may improve appearance resulting in a notable improvement of quality of life. Clinical and physiopathological studies are still required to enable improved management of women having lipedema.

An endothelial cell monolayer separates interstitia from blood and lymph, and determines the bidirectional transfer of solutes and macromolecules across these biological spaces. We review advances in transport modalities across these endothelial barriers. Glucose is a major fuel for the brain and peripheral tissues, and insulin acts on both central and peripheral tissues to promote whole-body metabolic signalling and anabolic activity. Blood-brain barrier endothelial cells display stringent tight junctions and lack pinocytic activity. Delivery of blood glucose and insulin to the brain occurs through their respective carrier (Glucose transporter 1) and receptor (insulin receptor), enacting bona fide transcytosis. At supraphysiological concentrations, insulin is also likely transferred by fluid phase cellular uptake and paracellular transport, especially in peripheral microvascular endothelia. The lymphatic microvasculature also transports insulin but in this case from tissues to lymph and therefrom to blood. This serves to end the hormone's action and to absorb highly concentrated subcutaneously injected insulin in diabetic individuals. The former function may involve receptor-mediated transcytosis into lymphatic endothelial cells, the latter fluid phase uptake and paracellular transport. Lymphatic capillaries also mediate carrierdependent transport of other nutrients and macromolecules. These findings challenge the notion that lymphatic capillaries only transport macromolecules through intercellular flaps.

Lipedema is a fat disorder that is often misdiagnosed. It was first identified at the Mayo Clinic in 1940, but medical schools do not include it in their curriculum and is therefore poorly understood. It presents as disproportionate and symmetrical accumulations of fat (bilateral), which is often accompanied by orthostatic edema. Early diagnosis and treatment are crucial, as the disease is progressive and can lead to immobility as well as a significant decrease in the quality of life. Lipedema differs from obesity because it does not respond to diet and exercise. This article gives you a glimpse into what lipedema is about and will help you identify some differences between lipedema and lymphedema. It will also help you identify which surgical procedures have been successful in treating the disease.

Although liposuction of lipoedema is a well-established therapeutic option in plastic and reconstructive surgery, the commonly known operative protocols vary widely between clinics. A precise summary of all described protocols and a critical evaluation have not been published to date. This review aims to create a basic structure for future Standard Operative Protocols (SOPs) in the surgical treatment of lipoedema. For that purpose, 140 publications on therapeutic approaches concerning lipoedema have been reviewed and systematically categorized. The results indicate fundamental differences in treatment strategies as well as minor differences in organizational management.

Lipoedema is a rare painful disorder of the adipose tissue. It essentially affects females and is often misdiagnosed as lymphoedema or obesity. It is globally misdiagnosed or underdiagnosed, and the literature is lacking appropriate guidance to assist clinicians towards this diagnosis. However, the need to recognise this disorder as a unique entity has important implications to establish proper treatment and, therefore, its tremendous effect on patients. Early diagnosis and treatment can turn these patients' lives upside down. The aim of this review is to focus on the clinical guidance, differential diagnosis, and management strategies. In addition, other aspects of lipoedema, including epidemiology and pathogenesis, are also being discussed here. Lipoedema is distinct from obesity and distinct from lymphoedema, although it might progress to involve the venous and lymphatic system (venolipedema or lympholipedema or both). Late diagnosis can leave the patient debilitated. Management of lipoedema includes weight loss, control of oedema, complex decongestive physiotherapy, liposuction, and laser-assisted lipolysis. However; there are increasing reports on tumescent liposuction as the preferred surgical option with long-lasting results. The role of more randomised controlled studies to further explore the management of this clinical entity remains promising.