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Disseminated Superficial Actinic Porokeratosis (DSAP)

Jeremy Golding, MD, FAAFP Reviewed 06/2019
 


BASICS

DESCRIPTION

  • A disorder of keratinization

  • Lesions of the skin with conical papules of a red and brown color surrounding the hair follicle

  • Edges may become raised over time (1).

  • Typically found in 30...

DIAGNOSIS

HISTORY

  • Onset in the 30s to 40s

  • Family history of similar lesions

  • May be pruritic

PHYSICAL EXAM

  • Sun-exposed areas with hyperkeratotic papules, patches, or plaques surrounded by a thin-lined eleva...

TREATMENT

GENERAL MEASURES

No controlled studies exist as yet to evaluate treatment modality. 

MEDICATION

First Line

  • RCTs are needed; all treatment recommendations based on case reports and small studies ...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Yearly dermatologic examination 

PATIENT EDUCATION

Avoidance of UV exposure 

PROGNOSIS

Excellent 

REFERENCES

1
Torkamani N, Sinclair R. Disseminated superficial actinic porokeratosis accentuated by spray tan. Int J Dermatol.  2015;54(12):e545–e546. [View Abstract on OvidMedline]
2
Rouhani P, Fis...

ADDITIONAL READING

  • Skupsky H, Skupsky J, Goldenberg G. Disseminated superficial actinic porokeratosis: a treatment review. J Dermatolog Treat.  2012;23(1):52–56. [View Abstract on OvidMedline]

  • Sot...

CODES

ICD10

Q82.8 Other specified congenital malformations of skin 

ICD9

692.75 Disseminated superficial actinic porokeratosis (DSAP) 

SNOMED

41495000 Disseminated superficial actinic porokeratosis (disord...

CLINICAL PEARLS

Age- and UV-related nonmalignant skin condition 

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