Actinic keratosis - Aktinische Keratosishttps://en.wikipedia.org/wiki/Actinic_keratosis
Keratosis actinica (Actinic keratosis) quae keratosis solaris seu senilis keratosis dicitur, area prae‑cancerosa crassa, squamosa vel crustosa cutis. Keratosis actinica est inordinatio quae per ultraviolaceum (UV) lucis expositionem inducitur. Communius est in hominibus pallidis cutis et iis qui multum tempus sub sole transeunt. Laesiones non tractatae usque ad 20 % periculum progressionis ad carcinoma squamosum habent, ideo curatio a dermatologo (dermatologist) commendatur.

Keratoses actinicae characteristica apparent sicut areae crassa, squamosa, vel crustosa quae saepe aridas vel asperas sentiunt. Magnitudo plerumque inter 2 et 6 millimetra variatur, sed crescere possunt ad plures centimetra in diametro. Praeclare, keratoses actinicae saepe antequam clare videntur, tactu sentiuntur, et textura interdum sandpaper comparatur.

Est relatio causalis inter expositionem ad solem et keratosim actinicam. Saepe apparent in cute laesa a sole et in locis plerumque solis expositis, ut facies, aures, collum, cortex capitis, pectus, dorsa manuum, bracchia, vel labrum. Plurimi patientes plures lectiones habent.

Si inventa clinica keratosis actinicae non sunt typica et possibilitas carcinoma squamosum in situ vel invasivum (SCC) excludi non potest per solam inspectionem clinicam, considerari potest biopsia vel excisio.

Diagnosis et curatio
#Dermoscopy
#Skin biopsy
#Cryotherapy
#5‑FU (5‑fluorouracil)
#Imiquimod
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  • laesio in dorso manuum; hoc autem fieri potest, si dorsum manus diu sole exposita est.
  • Verrucae virales et perturbationes malignae (squamous cell carcinoma) considerari debent.
  • Squamae durae et telangiectasia diagnosis keratosis actínica (Actinic keratosis) suggerunt.
  • Si laesio durum erythematum in area solis exposita sita est, Keratosis actinica (actinic keratosis) considerari debet.
  • Durum laesio keratotica cum erythemate est characteristicum.
  • Si sunscreen non recte ad cutem capitis applicatur, potest evenire cum aetate propter nimiam solis expositionem.
  • frons masculina
  • Casus similis maculae senilis (age spot)
  • Laesiones cum figura verrucae similes Keratosis actinica (Actinic keratosis) sunt propriae. Verrucae distinguuntur eo quod earum laesiones molles esse solent, laesiones vero Keratosis actinica (Actinic keratosis) plerumque leviter durae.
References Actinic Keratosis 32491333 
NIH
Keratoses actinicae, keratoses seniles seu keratoses solares dicuntur. Connexa sunt expositione diuturna solis et possunt asperam et rubram inaequaliter in cute solis exposita ostendere. Gravis est eos primum capere et curationem incipere, quod in carcinoma cutis vertere possent si non curata relinqueretur.
Actinic keratoses, also known as senile keratoses or solar keratoses, are benign intra-epithelial neoplasms commonly evaluated by dermatologists. Often associated with chronic sun exposure, individuals with actinic keratosis may present with irregular, red, scaly papules or plaques on sun-exposed regions of the body. Timely detection and implementation of a treatment plan are crucial since actinic keratosis can potentially progress into invasive squamous cell carcinoma.
 Actinic keratoses: review of clinical, dermoscopic, and therapeutic aspects 31789244 
NIH
Keratoses actinicae (Actinic keratoses) incrementa abnormes cellulae cutis cum periculo conversionis in cancrum. Plerumque apparent maculae planae, plaque elevatae, vel lesiones asperae in cute solis exposita, saepe cum rubro colore. In statu initiali melius notari possunt palpatione quam inspectione visuali.
Actinic keratoses are dysplastic proliferations of keratinocytes with potential for malignant transformation. Clinically, actinic keratoses present as macules, papules, or hyperkeratotic plaques with an erythematous background that occur on photoexposed areas. At initial stages, they may be better identified by palpation rather than by visual inspection.
 Cryosurgery for Common Skin Conditions 15168956
Morbi cutis, sicut keratosis actinica (actinic keratosis), lentigo solaris (solar lentigo), keratosis seborrheica (seborrheic keratosis), verruca viralis (viral wart), molluscum contagiosum, dermatofibroma, cryotherapia tuto (= congelatio) tractari possunt.
Skin diseases like actinic keratosis, solar lentigo, seborrheic keratosis, viral wart, molluscum contagiosum, dermatofibroma can be safely treated with cryotherapy (=freezing).