AAD
Author: Willhemenia Loremipsum Special session: Lorem ipsum dolor sit amet Category: Lorem ipsum View all results

Please login or create an account. If you do not have access to this content, you will be shown a 30 second preview and licensing options.

  • Presentation

Intermediate Dermoscopy: Diagnosing Pink and Pink/Brown Lesions

Description

The lecture presented key insights into the differentiation of pink and pink/brown skin lesions using dermoscopy. It emphasized how clinicians can distinguish between various skin conditions, particularly basal cell carcinoma (BCC), sebaceous hyperplasia, and intradermal nevi, by observing unique vascular patterns and structural characteristics under dermoscopy. Key features discussed included arborizing vessels for nodular BCC, the presence of sebaceous lobules in sebaceous hyperplasia, and the distinctive vessel patterns in intradermal nevi. The talk explored the importance of recognizing these features to make diagnostic decisions before biopsy, highlighting specific examples of each lesion type, including their appearances on the lower eyelid. The presentation also covered actinic keratosis, squamous cell carcinoma, and melanoma, illustrating how changes in scale and vascular morphology can provide clues for diagnosis. Additionally, it stressed the significance of comparing images and documenting cases to improve diagnostic skills, especially for subtle melanomas that might resemble BCCs. The speaker concluded by encouraging ongoing education through photographic documentation of lesions to refine dermoscopic expertise.

View more

Conclusions

  • Dermoscopy is essential for differentiating pink and pink/brown lesions in dermatology.
  • Basal cell carcinoma (BCC) is characterized by arborizing vessels with high positive predictive value.
  • Sebaceous hyperplasia exhibits different vessel patterns and is less aggressive than BCC.
  • Intradermal nevi have a different appearance and less aggressive behavior compared to BCC.
  • Identifying features like ulceration can help distinguish BCC from melanoma.
  • Lesion characteristics, such as color and vessel pattern, play crucial roles in diagnosis.
  • Fine reticular scales and vascular clues are important in identifying actinic keratosis (AK) and squamous cell carcinoma (SCC).
  • The progression of actinic keratosis to invasive squamous cell carcinoma can be monitored with dermoscopy.
  • Deeply pigmented melanomas may present differently compared to their less pigmented counterparts.
  • Skin cancers in patients with darker skin exhibit unique features and require careful examination for accurate diagnosis.
  • Arch Derm 2005;141:808
  • JAMA Dermatology | Original Investigation
  • Le Maitre et al, Eur J Dermatol 2023 Oct 1, PMID 38297927
  • JAMA Dermatol 2020 Aug 1;156(8):882-899
  • Br J Dermatol 2019 181(2):397-398
  • JAAD 2021 Jan;84(1):173-175
  • Jaworska K et al. J Dermatol 2022 Sep;49(9):851-861, PMID 35608155
  • JAAD 2012 Apr;66(4):589-97; PMID 21839538
  • Zalaudek I, Argenziano G, Leinweber B, et al. Dermoscopy of Bowen's disease. Br J Dermatol. 2004;150(6):1112-6.
  • Arias-Rodriguez et al, An Bras Dermatol 2023 Nov-Dec;98(6):755-763, PMID 37422343
  • Giuffrida R et al, Medicina 2022 Nov 30;58(12):1761, PMID 3655665
  • Manci R et al, Derm Pract Concept 2022 Apr 1;12(2), PMID 35646436