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  • Presentation

Challenging Cases: Lichenoid and Plasmacytic Infiltrates

Description

In this presentation, the speaker discusses lichenoid and plasmacytic infiltrates, with a focus on non-infectious forms affecting the vulva. The talk provides an overview of conditions characterized by lymphocytic infiltrates at the dermal-epidermal junction, notably lichen planus, lichen sclerosus, lichenoid contact dermatitis, and plasmacytic vulvitis. Each condition presents unique challenges in diagnosis due to overlapping histopathological features. The speaker emphasizes the importance of clinical considerations such as scarring, vaginal involvement, and anatomical distribution in making accurate assessments. Four case studies are presented to illustrate these conditions: one patient exhibits lichen sclerosus with significant scarring, another has erosive lichen planus requiring systemic therapy, a third suffers from lichenoid contact dermatitis due to an allergy to clobetasol, and the last case is plasmacytic vulvitis showing distinct morphological characteristics. The speaker stresses the need for targeted treatments, including maintenance therapies for lichen sclerosus and aggressive management for lichen planus. The lecture concludes by highlighting the importance of recognizing these conditions and considering their overlaps for effective treatment.

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Conclusions

  • A clinical diagnosis of vulvar lichenoid dermatitis can be challenging due to overlapping histopathologic features.
  • Lichen planus and lichen sclerosis are the primary conditions associated with lichenoid infiltrates in the vulvar region.
  • Clinical presentation, including signs of scarring, architectural changes, and vaginal involvement, is critical for accurate diagnosis.
  • Maintenance therapy is vital in managing lichen sclerosis to prevent long-term complications such as scarring and squamous cell carcinoma.
  • Systemic therapy may be necessary for erosive lichen planus in many patients, particularly if initial treatments are ineffective.
  • Diagnosis of lichenoid contact dermatitis can occur when common allergens or irritants are identified, and the condition resolves with avoidance of these agents.
  • Plasma cell vulvitis (Zoon's) presents with characteristic red/brown macules and requires distinct treatment strategies often involving high-potency steroids.
  • Awareness of and differentiation between these conditions is crucial for effective management and patient care.
  • JAMA Dermatol. 2015;151(10):1061-1067. doi:10.1001/jamadermatol.2015.0643
  • Mauskar MM, Marathe K, Venkatesan A, Schlosser BJ, Edwards L. Vulvar diseases: Conditions in adults and children. J Am Acad Dermatol. 2020;82(6):1287-1298. doi:10.1016/j.jaad.2019.10.077
  • Hargis A, Ngo M, Kraus CN, Mauskar M. Systemic Therapy for Lichen Sclerosus: A Systematic Review. J Low Genit Tract Dis. 2024 Jan 1;28(1):84-90. doi:10.1097/LGT.0000000000000775. Epub 2023 Nov 4. PMID: 37924260.
  • Kherlopian A, Fischer G. Identifying predictors of systemic immunosuppressive treatment of vulvovaginal lichen planus: A retrospective cohort study of 122 women. Australas J Dermatol. 2022 Aug;63(3):335-343. doi:10.1111/ajd.13851. Epub 2022 May 2. PMID: 35500127.
  • Wendling et al., 2023. JLGTD.