Tirbanibulin 1% ointment (Klisyri), an FDA-approved topical treatment for actinic keratosis, is advertised to serve as a first-in-class with high efficacy and low adverse effects compared other field therapies. We report case of severe bullous eruption associated application tirbanibulin in adult female. Though did resolve the keratoses on patient’s chest, local skin reaction precludes future u...

Design: Gene expression in SCC vs normal skin was studied. Laser capture microdissection was used to determine differential expression of CD200 in normal skin vs actinic keratosis vs SCC in situ vs invasive SCC. Immunofluorescence microscopy was used to define expression of CD200R on macrophages, myeloid dendritic cells, natural killer cells, and T cells in SCC vs normal skin. The effects of SC...

Imiquimod 5% is a drug approved by the US Food and Drug Administration (FDA) for the topical treatment of genital warts, actinic keratosis, and basal cell carcinoma (BCC). While this drug is commonly used in daily clinical practice, no reports to date have associated its administration with alterations in scar formation. We describe 2 cases of abnormal scar formation after treatment with imiqui...

Topical 5- Fluorouracil (5-FU) is used more frequently to treat actinic keratosis. We are presenting a skin reaction as a side effect of this medication. Treatment for such cases of 5-FU-induced skin reactions is based on proper skin care and treatment of any superimposed infections. Medical providers should be aware of such side effects to provide their patients with proper instructions to avo...

Cutaneous horns are conical, circumscribed protuberances formed by densely layered keratin. These lesions originate from basal keratinocytes and may manifest as benign, premalignant, or malignant cutaneous pathology in chronically sun-damaged areas. Complete surgical excision with histologic examination is needed for potential malignancy. In this report, we describe two elderly women presenting...