Erythema nodosum
https://en.wikipedia.org/wiki/Erythema_nodosum
☆ I le 2022 Stiftung Warentest i'uga mai Siamani, o le fa'amalieina o tagata fa'atau i ModelDerm sa na'o sina maualalo ifo nai lo fa'atalanoaga telemedicine totogi. 

E foliga mai o se nodule erythematous tiga i luga o le vae.


Erythema nodosum i le Tuberculosis. O le mamapala o se tasi lea o mafuaaga taua o Erythema nodosum
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References
Erythema Nodosum: A Practical Approach and Diagnostic Algorithm 33683567 NIH
Erythema nodosum o le ituaiga sili ona taatele o panniculitis, e faʻaalia i nodules mumu tiga, e masani ona maua i vae pito i lalo. O lona mafuaaga tonu e le o iloa, ae e foliga mai e mafua mai i le soona tali atu i mea eseese. E ui lava e masani ona le mautinoa lona afuaga, e taua le taofiofia o isi tulaga faʻavae aʻo leʻi suʻesuʻeina primary erythema nodosum. E mafai ona faʻaalia ai le amataga o faʻamaʻi faʻapitoa e pei o faʻamaʻi pipisi, mumū, kanesa, poʻo le tali atu i vailaʻau. O fa'aoso masani e aofia ai le strep infections, tuberculosis, sarcoidosis, Behçet's disease, inflammatory bowel disease, certain medications, pregnancy.
Erythema nodosum is the most common form of panniculitis and is characterized by tender erythematous nodules mainly in the lower limbs on the pretibial area. The exact cause of erythema nodosum is unknown, although it appears to be a hypersensitivity response to a variety of antigenic stimuli. Although the etiology is mostly idiopathic, ruling out an underlying disease is imperative before diagnosing primary erythema nodosum. Erythema nodosum can be the first sign of a systemic disease that is triggered by a large group of processes, such as infections, inflammatory diseases, neoplasia, and/or drugs. The most common identifiable causes are streptococcal infections, primary tuberculosis, sarcoidosis, Behçet disease, inflammatory bowel disease, drugs, and pregnancy.
Panniculitis in Children 34449587 NIH
Panniculitis e faasino i se seti eseese o tulaga inflammatory e aafia ai le ga'o i lalo ole pa'u. O nei tulaga e le masani ai i tamaiti. Panniculitis e mafai ona avea ma mataupu autu i se tulaga fa'aletino po'o se tali lona lua i mea e pei o fa'ama'i, manu'a, po'o nisi vaila'au. Po o le a lava le mafuaaga, o le tele o ituaiga o panniculitis o loʻo faʻaalia ai faʻamaoniga tutusa, e aofia ai maʻi tiga, mumu mumu i lalo o le paʻu.
Panniculitides form a heterogenous group of inflammatory diseases that involve the subcutaneous adipose tissue. These disorders are rare in children and have many aetiologies. As in adults, the panniculitis can be the primary process in a systemic disorder or a secondary process that results from infection, trauma or exposure to medication. Some types of panniculitis are seen more commonly or exclusively in children, and several new entities have been described in recent years. Most types of panniculitis have the same clinical presentation (regardless of the aetiology), with tender, erythematous subcutaneous nodules.
Erythema nodosum - a review of an uncommon panniculitis 24746312Panniculitis , o se fulafula o le ga'o i lalo o le pa'u, o se tulaga e seasea masani ona aliali mai o ni pona po'o ni pa'i fula. Erythema nodosum (EN) o le ituaiga sili ona taatele, e masani ona faʻaosoina i mea eseese. E tusa ma le 55% o mataupu e leai se mafuaʻaga manino, o faʻalavelave masani e aofia ai faʻamaʻi, vailaʻau, faʻamaʻi faʻapitoa e pei o le sarcoidosis ma faʻamaʻi inflammatory bowel, maitaga, ma le kanesa. E masani ona aliali mai le EN i tupulaga talavou ma talavou matutua, sili atu i fafine. E masani ona muamua atu i se lagona masani o maʻi e tasi i le tolu vaiaso, ma faʻailoga e pei o le fiva ma faʻafitauli o le manava pito i luga. Ona aliali mai lea o nodule mumu, e masani lava i itu pito i fafo o lima ma vae, e mafua ai le tiga. E le o malamalama atoatoa i le mafuaaga tonu o le EN, ae e talitonu e aofia ai faʻalavelave puipuia i totonu o aʻa toto laiti o le gaʻo, e oʻo atu ai i le mumu. E masani lava, o le biopsy e faʻaalia ai le mumu i totonu o le gaʻo e aunoa ma le faʻaleagaina o alatoto. E tusa lava pe leai se togafitiga faʻapitoa mo le mafuaʻaga autu, e masani lava ona foia e le EN lava ia. O lea la, o le tele o tagata gasegase e manaʻomia naʻo le tausiga lagolago mo latou faʻailoga.
Panniculitis, an inflammation of the fat layer under the skin, is a rare condition usually showing up as swollen nodules or patches. Erythema nodosum (EN) is the most common type, often triggered by various factors. While around 55% of cases have no clear cause, common triggers include infections, medications, certain diseases like sarcoidosis and inflammatory bowel disease, pregnancy, and cancer. EN usually appears in teens and young adults, more often in females. It's often preceded by a general feeling of illness lasting one to three weeks, with symptoms like fever and upper respiratory issues. Then, red nodules appear, usually on the outer sides of arms and legs, causing pain. EN's exact cause isn't fully understood, but it's believed to involve immune complexes in small blood vessels of the fat layer, leading to inflammation. Typically, a biopsy shows inflammation in the fat layer without damage to blood vessels. Even without specific treatment for the underlying cause, EN often resolves on its own. So, most patients need only supportive care for their symptoms.
Erythema nodosum e maua ile falema'i. E mafai ona su'e se biopsy ma su'esu'e ile microscopic e fa'amaonia ai se su'esu'ega le mautinoa. E tatau ona faia se fa'ata o le fatafata e taofia ai fa'ama'i mama, aemaise le sarcoidosis ma le mamapala.