keratoacanthoma. spontaneous regresion
TRANSCRIPT
![Page 1: Keratoacanthoma. spontaneous regresion](https://reader035.vdocument.in/reader035/viewer/2022062705/556da347d8b42a875d8b47aa/html5/thumbnails/1.jpg)
Keratoacanthoma Spontaneous
regression
F. Peral Rubio, M.D.Department of DermatologyHospital Universitario Virgen MacarenaSeville, Spain
![Page 2: Keratoacanthoma. spontaneous regresion](https://reader035.vdocument.in/reader035/viewer/2022062705/556da347d8b42a875d8b47aa/html5/thumbnails/2.jpg)
Keratoacanthoma Spontaneous regression
A 70 -years-old women.The patient was referred to us for
the assessment of a lesion on the forehead 4 weeks previously.
![Page 3: Keratoacanthoma. spontaneous regresion](https://reader035.vdocument.in/reader035/viewer/2022062705/556da347d8b42a875d8b47aa/html5/thumbnails/3.jpg)
![Page 4: Keratoacanthoma. spontaneous regresion](https://reader035.vdocument.in/reader035/viewer/2022062705/556da347d8b42a875d8b47aa/html5/thumbnails/4.jpg)
A biopsy was performed and confirmed the diagnosis of keratoacanthoma.
Keratoacanthoma Spontaneous regression
![Page 5: Keratoacanthoma. spontaneous regresion](https://reader035.vdocument.in/reader035/viewer/2022062705/556da347d8b42a875d8b47aa/html5/thumbnails/5.jpg)
The patient was scheduled for surgical treatment but did not attend the treatment.
The patient returned to our clinic 3 months later with complete regression of the lesion seen only a scar.
Keratoacanthoma Spontaneous regression
![Page 6: Keratoacanthoma. spontaneous regresion](https://reader035.vdocument.in/reader035/viewer/2022062705/556da347d8b42a875d8b47aa/html5/thumbnails/6.jpg)
![Page 7: Keratoacanthoma. spontaneous regresion](https://reader035.vdocument.in/reader035/viewer/2022062705/556da347d8b42a875d8b47aa/html5/thumbnails/7.jpg)
Keratoacanthoma Spontaneous regression.
Keratoacanthomas(KA) are rather common, rapid growing skin tumors, in which may occur as solitary lesions or in the form of multiple lesions.
Differentiation of KA from well-differentiated squamous cell carcinoma may be problematic .
![Page 8: Keratoacanthoma. spontaneous regresion](https://reader035.vdocument.in/reader035/viewer/2022062705/556da347d8b42a875d8b47aa/html5/thumbnails/8.jpg)
Keratoacanthoma Spontaneous regression
KA is a rapidly growth on the skin that expands from 1-2mm to 1-3cm over a few weeks, and develops into a smooth dome-shaped growth with a central keratin core.
If untreated, KA's usually stop growing around 6-8 weeks, stay dormant and unchanging for 2-6 weeks, and then finally spontaneously regress slowly over 2 to 12 months frequently healing with scarring.
KA's are most commonly found in the hands, arms, trunk and face.
![Page 9: Keratoacanthoma. spontaneous regresion](https://reader035.vdocument.in/reader035/viewer/2022062705/556da347d8b42a875d8b47aa/html5/thumbnails/9.jpg)
KA should be differentiated clinically and histologically from squamous cell carcinomas,
Treatment varies according to the type of lesions, but solitary lesions should be excised.
Keratoacanthoma Spontaneous regression
![Page 10: Keratoacanthoma. spontaneous regresion](https://reader035.vdocument.in/reader035/viewer/2022062705/556da347d8b42a875d8b47aa/html5/thumbnails/10.jpg)
Keratoacanthoma Spontaneous
regression
F. Peral Rubio, M.D.Department of DermatologyHospital Universitario Virgen MacarenaSeville, Spain