Seborrheic keratosis: Difference between revisions
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==Background== | ==Background== | ||
{{Skin anatomy background images}} | |||
*In itself benign, no treatment necessary | *In itself benign, no treatment necessary | ||
==Clinical Features== | ==Clinical Features== | ||
*Light tan to black | [[File:Seborrheic keratosis on human back.jpg|thumb|Multiple seborrheic keratoses on the dorsum of a patient with Leser–Trélat sign.]] | ||
*Round, oval | * Light tan to black [[rash]] | ||
*Flat to elevated, verrucous | * Round, oval | ||
* Flat to elevated, verrucous | |||
* Velvety, waxy, "stuck-on" appearance | |||
==Leser-Trelat Sign<ref>Schwartz RA et al. Sign of Leser-Trelat Clinical Presentation. eMedicine. Jun 18, 2015. http://emedicine.medscape.com/article/1097299-overview.</ref>== | ===Leser-Trelat Sign<ref>Schwartz RA et al. Sign of Leser-Trelat Clinical Presentation. eMedicine. Jun 18, 2015. http://emedicine.medscape.com/article/1097299-overview.</ref>=== | ||
[[File:leser trelat.gif|thumb|[[Seborrheic keratosis]]]] | |||
*'''Requires follow up for malignancy workup''' | *'''Requires follow up for malignancy workup''' | ||
*New onset diffuse lesions | *New onset diffuse lesions | ||
*Tends towards trunk by may involve: | *Tends towards trunk by may involve: | ||
**Neck | **Neck | ||
| Line 20: | Line 23: | ||
**Eruptive capillary angiomas | **Eruptive capillary angiomas | ||
== | ==Differential Diagnosis== | ||
{{DDX dark raised lesions}} | |||
==Evaluation== | |||
==Management== | |||
==Disposition== | |||
==See Also== | |||
*[[General approach to rashes]] | |||
==External Links== | |||
==References== | |||
<references/> | <references/> | ||
[[Category:Dermatology]] | [[Category:Dermatology]] | ||
Latest revision as of 18:14, 11 December 2024
Background
- In itself benign, no treatment necessary
Clinical Features
- Light tan to black rash
- Round, oval
- Flat to elevated, verrucous
- Velvety, waxy, "stuck-on" appearance
Leser-Trelat Sign[1]
- Requires follow up for malignancy workup
- New onset diffuse lesions
- Tends towards trunk by may involve:
- Neck
- Axilla
- Groin
- Associated with other paraneoplastic derm signs:
- Malignant acanthosis nigricans (more classically associated with internal malignancy)
- Florid cutaneous papillomatosis
- Eruptive capillary angiomas
Differential Diagnosis
Dark raised skin lesions
Evaluation
Management
Disposition
See Also
External Links
References
- ↑ Schwartz RA et al. Sign of Leser-Trelat Clinical Presentation. eMedicine. Jun 18, 2015. http://emedicine.medscape.com/article/1097299-overview.