Lentigo maligna (LM) is a melanoma in situ with high cumulative sun damage. Histological evaluation of resection margins is difficult and time-consuming. Melanocyte density (MD) is a suitable, quantifiable, and reproducible diagnostic criterion. In t...
Melanoma is a highly aggressive skin cancer primarily linked to ultraviolet (UV) radiation. However, the potential role of ionizing radiation from radiotherapy in melanoma development remains unclear. This review synthesizes data from epidemiologic s...
Melanoma subtyping plays a vital role in histopathological diagnosis, informing prognosis and, in some cases, guiding targeted therapy. However, conventional histologic classification is constrained by inter-rater reliability, morphologic overlap, an...
A 56-year-old patient presented to our dermatology clinic with asymmetric hyperpigmentation on her lower lip, which had developed over the previous six to twelve months. Her medical history included kidney and pancreas transplants, requiring chronic...
We report the case of a 16-year-old girl presenting with a painless, clinically stable subcutaneous swelling of the nasal dorsum with a three-year history. Despite an extensive multidisciplinary diagnostic work-up—including dermatological, otor...
Encephalocraniocutaneous lipomatosis (ECCL) is a rare congenital neurocutaneous disorder characterized by ocular, skin, and central nervous system manifestations. Despite its recognizable clinical features, such as nevus psiloliparus, histopathologic...
Background/Objectives: Oral focal mucinosis (OFM) and solitary cutaneous focal mucinosis (SCFM) are rare, benign lesions characterized by localized mucin deposition in the stromal connective tissue. While both share similar histological features, the...
Neurofibromatosis type 1 (NF1) is a prevalent neurocutaneous illness resulting from mutations in the NF1 gene, usually diagnosed according to clinical criteria set by the National Institutes of Health (NIH). These encompass café-au-lait macule...
Dermatofibromas (DFs) are benign neoplasms of the dermis typically found on the extremities of young adults. In approximately 3–5% of cases, basaloid cell hyperplasia (BCH) is observed overlying DFs. BCH is characterized by the proliferation of...
There are many benign skin neoplasms encountered in dermatopathology practice that can be associated with underlying genetic disorders. Although benign themselves, these lesions can offer insight into the potential for development of internal maligna...
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