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General Medicine

Disseminated Superficial Actinic Porokeratosis (DSAP)

Jonathan D. Adams, MD and Dongsheng Jiang, MS, MD Reviewed 05/2023
 


BASICS

The name porokeratosis means scaly pore and is a misnomer, as no pore is involved in the lesions. 

DESCRIPTION

  • Considered a precancerous skin condition

  • A disorder of keratinization

  • Few to dozens of...

DIAGNOSIS

HISTORY

  • Frequently there is a history of a blistering sunburn on the involved skin.

  • Onset in the 30 to 40 year age range

  • Family history of similar lesions may be present.

  • More prominent in the s...

TREATMENT

GENERAL MEASURES

No controlled studies exist as yet to evaluate treatment modality. 

MEDICATION

First Line

  • Randomized controlled trials (RCTs) are needed. All treatment recommendations are based...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Regular skin examination 

Patient Monitoring

Advise patients to call if any noticeable changes in any of the lesions. 

PATIENT EDUCATION

Avoidance of UV exposure and ...

REFERENCES

1
Nicola A, Magliano J. Dermoscopy of disseminated superficial actinic porokeratosis. Actas Dermosifiliogr. 2017;108(5):e33–e37. 
2
Weidner  T, Illing  T, Miguel  D, et ...

CODES

ICD10

Q82.8 Other specified congenital malformations of skin 

SNOMED

41495000 Disseminated superficial actinic porokeratosis (disorder) 

CLINICAL PEARLS

  • Hyperkeratotic lesions

  • Sun-exposed limbs

  • Females at 30–40 years old

  • Precancerous

  • Treated with topical medicine or destructive methods

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