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Dermatopathology, Volume 12, Issue 2

2025 June - 10 articles

Cover Story: Hydroxyurea, widely used in myeloproliferative disorders, may induce rare but significant dermatologic complications. This study reports a unique case of dermatomyositis-like eruption with keratinocyte dysplasia and p53 overexpression in a long-term hydroxyurea-treated patient. Through a systematic review, we describe the clinical and histological overlap between dermatomyositis-like eruptions, hydroxyurea-associated squamous dysplasia, and nonmelanoma skin cancer. Our findings emphasize the importance of early recognition, photoprotection, and vigilant monitoring in patients under chronic hydroxyurea therapy. View this paper
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Articles (10)

  • Article
  • Open Access
1,664 Views
12 Pages

Influence of Aging and Diabetes on the Mechanical Properties of Mouse Skin

  • Sarah Miny,
  • Gaël Runel,
  • Julien Chlasta and
  • Christelle Bonod

Background: Diabetics accumulate Advanced Glycation End products (AGEs) such as Nε-(carboxymethyl)lysine (CML) in their skin, which can provoke changes in the skin’s biomechanical properties. The same changes are also observed during ag...

  • Article
  • Open Access
1 Citations
3,615 Views
16 Pages

Erythrodermic Psoriasis in the Context of Emerging Triggers: Insights into Dupilumab-Associated and COVID-19-Induced Psoriatic Disease

  • Aya Fadel,
  • Jayakumar Nithura,
  • Zahraa F. Saadoon,
  • Lamia Naseer,
  • Angelo Lopez-Lacayo,
  • Ligia Elena Rojas Solano,
  • Chaveli Palau Morales,
  • Robert J. Hernandez and
  • Hussain Hussain

Psoriasis is a chronic immune-mediated inflammatory skin disorder characterized by keratinocyte hyperproliferation, impaired epidermal barrier function, and immune dysregulation. The Th17/IL-23 axis plays a central role in its pathogenesis, promoting...

  • Case Report
  • Open Access
1 Citations
2,000 Views
14 Pages

Perforating Granuloma Annulare with Cysts and Comedones

  • Enric Piqué-Duran,
  • Mikel Azcue-Mayorga,
  • Belinda Roque-Quintana,
  • Odalys García-Vázquez and
  • Antonio Ruedas-Martínez

A 71-year-old Caucasian woman presented with lesions on both elbows. A physical examination revealed arcuate plaques with raised erythematous edges and central clearing. Comedones and cysts were evident on the border of the lesions. The dermatoscopic...

  • Clinicopathological Challenge
  • Open Access
1,661 Views
6 Pages

Skin-Colored Papules on the Neck of a Postmenopausal Woman: A Diagnostic Challenge

  • Jason El Jalkh,
  • Pia Maria Obeid,
  • Dorra Guermazi,
  • Aya Soubra and
  • Elie Saliba

A 64-year-old patient presented for management of symptomatic skin-colored papules symmetrically distributed over the lateral neck over the past two years, which failed to improve on multiple topical corticosteroids, antifungal creams, and topical ca...

  • Article
  • Open Access
1 Citations
2,557 Views
14 Pages

Cutaneous Metastases—Histological Particularities of Multifaceted Entities

  • Andreea Cătălina Tinca,
  • Bianca Andreea Lazar,
  • Andreea Raluca Cozac-Szőke,
  • Georgian Nicolae Radu,
  • Simina Petra Simion,
  • Diana Maria Chiorean,
  • Irina Bianca Kosovski,
  • Adrian Horațiu Sabău,
  • Raluca Niculescu and
  • Ovidiu Simion Cotoi
  • + 4 authors

Cutaneous metastases from internal organ cancers are diagnosed in approximately 0.2% of skin biopsies. This diagnosis can be the first sign of a previously undiagnosed malignancy with an internal organ origin. We conducted a retrospective study that...

  • Review
  • Open Access
2 Citations
9,911 Views
15 Pages

A Scoping Review on Melasma Treatments and Their Histopathologic Correlates

  • Aurore D. Zhang,
  • Michelle Lazar,
  • Emiliya Akhundova,
  • Candice E. Brem,
  • Eric J. Beltrami and
  • Neelam A. Vashi

Melasma is an incredibly common dyschromic disorder, mostly impacting women with skin of color. There are three variants of melasma based on the depth of pathologic involvement: epidermal, mixed, and dermal. While there are many treatments for melasm...

  • Case Report
  • Open Access
1 Citations
2,721 Views
11 Pages

Congenital Melanocytic Nevus with Neurocristic Cutaneous Hamartoma: A Case Report

  • Dina El-Rayes,
  • Katlin Wilson,
  • Sheilagh Maguiness,
  • Daniel Miller,
  • Gerardo Cazzato and
  • Alessio Giubellino

Congenital melanocytic nevi (CMN) are benign tumors present at birth or arising in the first few months of life. A small subset of these nevi present with mild atypical features and heterogeneous differentiation, including Schwannian differentiation....

  • Systematic Review
  • Open Access
1 Citations
2,246 Views
33 Pages

Dermatomyositis-like Eruptions, Hydroxyurea-Associated Squamous Dysplasia, and Nonmelanoma Skin Cancer: A Case Report and Systematic Review

  • Giorgia Di Marco,
  • Gianmarco Diego Bigotto,
  • Eleonora Cossar,
  • Nathalie Rizzo,
  • Stefania Guida and
  • Franco Rongioletti

Hydroxyurea (HU), a cornerstone treatment for myeloproliferative disorders, is associated with a wide range of cutaneous side effects, from xerosis and hyperpigmentation to more severe conditions like dermatomyositis-like eruptions (DM-LE) and nonmel...

  • Case Report
  • Open Access
2,426 Views
7 Pages

Uncommon Collision Tumors: Dermoscopic and Histopathological Features of Basal Cell Carcinoma Overlying Dermatofibroma

  • Amal Makansi,
  • Charlotta Enerbäck,
  • Maria Madentzoglou,
  • Georgios Kravvas and
  • Sandra Jerkovic Gulin

Dermatofibromas (DFs) represent prevalent benign fibrohistiocytic tumors, typically manifesting as solitary lesions. In the majority of cases, the clinical presentation and dermoscopic and histopathological features of DFs adhere to a characteristic...

  • Review
  • Open Access
1,514 Views
10 Pages

The Wolf isotopic response (WIR) refers to the development of cutaneous lesions in areas of previously healed but unrelated skin disease. While most are observed in healed herpes zoster, WIR has been reported in various other contexts. Affected areas...

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Dermatopathology - ISSN 2296-3529