Erythema nodosum
https://en.wikipedia.org/wiki/Erythema_nodosum
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Videtur nodulus erythematicus dolorosus in crure.


Erythema nodosum in tuberculosi. Tuberculosis est una ex maximis causis erythema nodosum.
relevance score : -100.0%
References
 Erythema Nodosum: A Practical Approach and Diagnostic Algorithm 33683567 NIH
Erythema nodosum frequentissima est species panniculitis, nodulis rubris asperis insignita, praesertim in cruribus reperta. Eius causa exacta ignota manet, sed ex responsione variis factoribus (triggers) provenire apparet. Quamvis origo eius saepe incerta sit, essentiale est alias condiciones subiectas excludere antequam primary erythema nodosum diagnoscat. Principia morborum systemicorum possunt indicare infectiones, inflammationes, cancer, motus ad medicinam. Triggers communes includunt 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 refertur ad diversas condiciones inflammationis quae pinguedinem sub cute afficiunt. Haec conditiones in pueris valde rarae sunt. Panniculitis praecipuum esse potest, sive in contextu systemico, sive ut reactio secundaria ad factores ut infectio, iniuria, vel medicamentum specificum. Cum causa ignota est, plurima genera panniculitis signa similia ostendunt, inter quae noduli rubri sub cute, dolorosi.
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, inflammatio adipis sub cute iacuit, rara conditio, plerumque nodulis vel inaequalibus tumentibus monstranda est. Erythema nodosum (EN) frequentissimum genus est, variis causis saepe occurrens. Circa 55 % casuum nullam claram causam habent; communes causas sunt infectiones, medicamenta, quaedam morbi sicut sarcoidosis, inflammatoriae alvi morbi, graviditas et cancrum. EN plerumque in adolescens et iuvenibus adultis, feminis saepius apparet. Saepe praecedit morbus communis, durans una ad tres septimanas, cum symptomatibus sicut febris et symptomatibus respiratoriis superioribus. Tum noduli rubri apparent, plerumque in lateribus externis brachii et crurum, cum dolore. Causa exacta EN non plene intellegitur, sed creditur vasculis sanguineis adipis iacui implicatas esse, quae ad inflammationem ducit, cum participatione reactionum immunium. Typice biopsis ostendit inflammationem in strato adiposo sine damno vasorum sanguineorum. Etiam sine curatione specifica pro causa subiecta, EN saepe se ipsa resolvit. Sic plerique aegri, nisi administrata cura, symptomata eorum patiuntur.
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 diagnoscitur. Biopsia microscopice accipi et examinari potest ad incertam diagnosis confirmandam. Radiographia X‑ray facienda est, ut morbi pulmonum, praesertim sarcoidosis et tuberculosis, excludantur.