{"id":4533,"date":"2026-10-20T16:29:14","date_gmt":"2026-10-20T22:29:14","guid":{"rendered":"https:\/\/clinicaobesidadenvejecimiento.com\/?page_id=4533"},"modified":"2026-10-20T16:31:06","modified_gmt":"2026-10-20T22:31:06","slug":"glossary","status":"publish","type":"page","link":"https:\/\/clinicaobesidadenvejecimiento.com\/en\/glossary\/","title":{"rendered":"Glossary"},"content":{"rendered":"\n<style id=\"hub-css\">\n.hub{--p1:#6975DD;--p2:#7355B0;--ink:#24223a;--mut:#5f5d75;--line:#ebe9f6;--soft:#f7f6fd;font-family:Poppins,system-ui,sans-serif;color:var(--ink);line-height:1.7;font-size:17px}\n.hub *{box-sizing:border-box}\n.hub a{color:var(--p2)}\n.hub .wrap{max-width:1120px;margin:0 auto;padding:0 22px}\n.hub .narrow{max-width:820px;margin:0 auto}\n.hub section{padding:64px 0}\n.hub h1,.hub h2,.hub h3{font-family:Poppins,sans-serif;color:var(--ink);line-height:1.25;margin:0 0 .5em}\n.hub h2{font-size:clamp(26px,3.2vw,36px);font-weight:700}\n.hub 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style=\"padding-bottom:20px\"><div class=\"wrap narrow\" style=\"text-align:center\"><span class=\"eyebrow\">Medical glossary<\/span><h1>Glossary of <span>medical terms<\/span><\/h1><p class=\"lead\" style=\"margin:0 auto\" id=\"resumen\">Clear definitions of the terms used in our treatments and articles, with a link to the page where each one is explained in depth.<\/p><\/div><\/header><section class=\"alt\"><div class=\"wrap narrow\"><span class=\"eyebrow\">Varicose veins<\/span><h2>Veins and varicose veins<\/h2><div class=\"card\" style=\"padding:18px\"><details id=\"chronic-venous-insufficiency\" style=\"box-shadow:none\"><summary>What is chronic venous insufficiency?<\/summary><p><strong>Chronic venous insufficiency:<\/strong> A condition in which blood from the legs does not return properly to the heart because of changes in the vein walls and valves (IMSS guideline definition).<\/p><\/details><details id=\"venous-reflux\" style=\"box-shadow:none\"><summary>What is venous reflux?<\/summary><p><strong>Venous reflux:<\/strong> Backward flow of blood in a vein whose valves do not close properly; it is the mechanism behind varicose veins.<\/p><\/details><details id=\"saphenous-vein\" style=\"box-shadow:none\"><summary>What is the saphenous vein?<\/summary><p><strong>Saphenous vein:<\/strong> The main superficial vein of the leg (great and small); its insufficiency is a common cause of varicose veins.<\/p><\/details><details id=\"endovenous-thermal-ablation\" style=\"box-shadow:none\"><summary>What is endovenous thermal ablation?<\/summary><p><strong>Endovenous thermal ablation:<\/strong> A family of techniques that close the vein from the inside with heat, such as endovenous laser (EVLA) and radiofrequency.<\/p><\/details><details id=\"endovenous-laser-evla\" style=\"box-shadow:none\"><summary>What does EVLA mean?<\/summary><p><strong>Endovenous laser (EVLA):<\/strong> Ablation with a laser fiber inserted into the vein under ultrasound guidance and local anesthesia.<\/p><\/details><details id=\"duplex-doppler-ultrasound\" style=\"box-shadow:none\"><summary>What is duplex Doppler ultrasound for?<\/summary><p><strong>Duplex Doppler ultrasound:<\/strong> A scan that shows blood flow and confirms reflux; IMSS recommends it before treatment.<\/p><\/details><details id=\"ceap-scale\" style=\"box-shadow:none\"><summary>What is the CEAP scale?<\/summary><p><strong>CEAP scale:<\/strong> The international classification of venous disease by clinical signs, cause, affected veins and mechanism.<\/p><\/details><details id=\"foam-sclerotherapy\" style=\"box-shadow:none\"><summary>What is foam sclerotherapy?<\/summary><p><strong>Foam sclerotherapy:<\/strong> Injection of a sclerosing agent as foam under ultrasound guidance; an alternative when ablation is not suitable.<\/p><\/details><details id=\"deep-vein-thrombosis\" style=\"box-shadow:none\"><summary>What is deep vein thrombosis?<\/summary><p><strong>Deep vein thrombosis:<\/strong> A clot in a deep vein; an uncommon complication ruled out with the control ultrasound.<\/p><\/details><details id=\"paresthesia\" style=\"box-shadow:none\"><summary>What does paresthesia mean?<\/summary><p><strong>Paresthesia:<\/strong> Tingling or numbness in an area of skin; it can appear after endovenous laser and usually improves over time.<\/p><\/details><\/div><p style=\"margin-top:10px\"><a href=\"https:\/\/clinicaobesidadenvejecimiento.com\/en\/endovenous-laser\/\">See endovenous laser \u2192<\/a><\/p><\/div><\/section><section><div class=\"wrap narrow\"><span class=\"eyebrow\">Biopolymers<\/span><h2>Biopolymers and filler substances<\/h2><div class=\"card\" style=\"padding:18px\"><details id=\"biopolymers-or-filler-substances\" style=\"box-shadow:none\"><summary>What are biopolymers or filler substances?<\/summary><p><strong>Biopolymers or filler substances:<\/strong> Unauthorized materials (liquid silicone, oils, paraffin, polyacrylamide) injected to add volume; COFEPRIS considers them high risk.<\/p><\/details><details id=\"iatrogenic-allogenosis\" style=\"box-shadow:none\"><summary>What is iatrogenic allogenosis?<\/summary><p><strong>Iatrogenic allogenosis:<\/strong> A term proposed by plastic surgeon Felipe Coiffman for the disease these substances cause in the body.<\/p><\/details><details id=\"mri\" style=\"box-shadow:none\"><summary>What is MRI used for with biopolymers?<\/summary><p><strong>MRI:<\/strong> An imaging test that shows the extent, depth and migration of filler material.<\/p><\/details><details id=\"seroma\" style=\"box-shadow:none\"><summary>What is a seroma?<\/summary><p><strong>Seroma:<\/strong> A fluid collection under the skin; a frequent complication after removal surgery, usually resolved with drainage.<\/p><\/details><\/div><p style=\"margin-top:10px\"><a href=\"https:\/\/clinicaobesidadenvejecimiento.com\/en\/laser-biopolymer-removal\/\">See biopolymer removal \u2192<\/a><\/p><\/div><\/section><section class=\"alt\"><div class=\"wrap narrow\"><span class=\"eyebrow\">Breast<\/span><h2>Breast lift<\/h2><div class=\"card\" style=\"padding:18px\"><details id=\"mastopexy-or-breast-lift\" style=\"box-shadow:none\"><summary>What is a mastopexy or breast lift?<\/summary><p><strong>Mastopexy or breast lift:<\/strong> Surgery that raises the bust, repositions the areola and removes excess skin.<\/p><\/details><details id=\"breast-ptosis\" style=\"box-shadow:none\"><summary>What does breast ptosis mean?<\/summary><p><strong>Breast ptosis:<\/strong> Breast sagging; it is graded by nipple position.<\/p><\/details><details id=\"regnault-classification\" style=\"box-shadow:none\"><summary>What is the Regnault classification?<\/summary><p><strong>Regnault classification:<\/strong> A scale that defines the degree of ptosis by nipple position relative to the fold under the breast.<\/p><\/details><details id=\"pseudoptosis\" style=\"box-shadow:none\"><summary>What is pseudoptosis?<\/summary><p><strong>Pseudoptosis:<\/strong> The nipple is well positioned but breast tissue drops below the fold.<\/p><\/details><\/div><p style=\"margin-top:10px\"><a href=\"https:\/\/clinicaobesidadenvejecimiento.com\/en\/laser-breast-lift\/\">See laser breast lift \u2192<\/a><\/p><\/div><\/section><section><div class=\"wrap narrow\"><span class=\"eyebrow\">Body contouring<\/span><h2>Lipolysis and megalipolysis<\/h2><div class=\"card\" style=\"padding:18px\"><details id=\"laser-assisted-lipolysis\" style=\"box-shadow:none\"><summary>What is laser-assisted lipolysis?<\/summary><p><strong>Laser-assisted lipolysis:<\/strong> A procedure in which a laser fiber liquefies localized fat before removal with fine cannulas.<\/p><\/details><details id=\"laser-megalipolysis\" style=\"box-shadow:none\"><summary>What is laser megalipolysis?<\/summary><p><strong>Laser megalipolysis:<\/strong> Laser-assisted lipolysis applied to several areas or a larger volume in a single procedure.<\/p><\/details><details id=\"large-volume-liposuction\" style=\"box-shadow:none\"><summary>What counts as large-volume liposuction?<\/summary><p><strong>Large-volume liposuction:<\/strong> Removal of more than 5 liters; the American Society of Plastic Surgeons recommends a hospital setting with overnight monitoring.<\/p><\/details><details id=\"compression-garment\" style=\"box-shadow:none\"><summary>What is a compression garment for?<\/summary><p><strong>Compression garment:<\/strong> A garment that helps control swelling and lets the skin adapt after the procedure.<\/p><\/details><\/div><p style=\"margin-top:10px\"><a href=\"https:\/\/clinicaobesidadenvejecimiento.com\/en\/laser-lipolysis\/\">See laser lipolysis \u2192<\/a><\/p><\/div><\/section><section class=\"alt\"><div class=\"wrap narrow\"><span class=\"eyebrow\">Face<\/span><h2>Facial rejuvenation<\/h2><div class=\"card\" style=\"padding:18px\"><details id=\"endolifting\" style=\"box-shadow:none\"><summary>What is endolifting?<\/summary><p><strong>Endolifting:<\/strong> A 1470 nm diode laser inserted under the skin to stimulate collagen and improve firmness.<\/p><\/details><details id=\"fractional-co2-laser\" style=\"box-shadow:none\"><summary>What is fractional CO2 laser?<\/summary><p><strong>Fractional CO2 laser:<\/strong> An ablative laser that creates micro-zones of renewal on the skin surface to improve texture and sun damage.<\/p><\/details><details id=\"post-inflammatory-hyperpigmentation\" style=\"box-shadow:none\"><summary>What is post-inflammatory hyperpigmentation?<\/summary><p><strong>Post-inflammatory hyperpigmentation:<\/strong> Dark spots after skin inflammation; the most frequent complication of facial laser, especially in darker skin.<\/p><\/details><details id=\"phototype\" style=\"box-shadow:none\"><summary>What does skin phototype mean?<\/summary><p><strong>Phototype:<\/strong> A skin classification by response to sun (I to VI); phototypes IV to VI need an adjusted laser protocol.<\/p><\/details><details id=\"visia-analysis\" style=\"box-shadow:none\"><summary>What is a VISIA analysis?<\/summary><p><strong>VISIA analysis:<\/strong> A skin study that evaluates spots, texture, pores, wrinkles and sun damage before choosing treatment.<\/p><\/details><\/div><p style=\"margin-top:10px\"><a href=\"https:\/\/clinicaobesidadenvejecimiento.com\/en\/laser-facial-rejuvenation\/\">See laser facial rejuvenation \u2192<\/a><\/p><\/div><\/section><\/div>\n<script type=\"application\/ld+json\" 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