Related Experiment Video
Updated: Mar 8, 2026

Dermoscopy Aids in the Diagnosis of Discoid Lupus Erythematosus
Published on: May 16, 2025
Linear Epidermal Nevus with Nevus Comedonicus and Multiple Cutaneous Horns
This report details a rare case of linear epidermal nevus and nevus comedonicus on the left side of the body, alongside multiple cutaneous horns. The co-occurrence of these three distinct dermatological conditions is exceptionally uncommon.
Area of Science:
- Dermatology
- Clinical Case Reports
- Medical Genetics
Background:
- Epidermal nevi are benign congenital hamartomas of the epidermis.
- Nevus comedonicus is a rare follicular nevus characterized by comedone-like openings.
- Cutaneous horns are conical projections of keratin, often associated with underlying epidermal neoplasms or benign conditions.
Observation:
- A rare case presenting with linear epidermal nevus and nevus comedonicus affecting the left side of the body.
- Multiple cutaneous horns were observed on the nose, chin, and eyelids of the patient.
- The patient exhibited a rare combination of these three distinct dermatological conditions.
Findings:
- The case highlights the simultaneous occurrence of linear epidermal nevus, nevus comedonicus, and multiple cutaneous horns.
- This specific triad of conditions is exceptionally rare in clinical practice.
- The report emphasizes the importance of recognizing and documenting rare dermatological associations.
Implications:
- Understanding the co-occurrence of these conditions may offer insights into shared developmental pathways or genetic factors.
- Further research into similar rare cases could refine diagnostic criteria and management strategies.
- This case serves as a valuable addition to the literature, aiding clinicians in identifying and managing complex dermatological presentations.
More Related Videos
09:37Combining Reflectance Confocal Microscopy with Optical Coherence Tomography for Noninvasive Diagnosis of Skin Cancers via Image Acquisition
Published on: August 18, 2022
06:15Author Spotlight: Anterior HR-OCT as a Non-Invasive Tool for Characterizing Ocular Surface Squamous Neoplasia
Published on: August 9, 2024
Related Concept Videos
Skin Cancer
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Papillary Dermis
The dermis might be considered the "core" of the integumentary system, as distinct from the epidermis and hypodermis. It contains blood and lymph vessels, nerves, and other structures, such as hair follicles and sweat glands. The dermis is made of two layers of connective tissue that comprise an interconnected mesh of elastin and collagenous fibers, produced by fibroblasts.
Papillary Layer
The papillary layer is made of loose, areolar connective tissue, which means the collagen...
Reticular Dermis
Reticular Layer
Underlying the papillary layer is the much thicker reticular layer, composed of dense, irregular connective...
Multipotency and Niche of Bulge Stem Cell
Skin Diseases and Disorders
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Cells of the Epidermis
The cells in all these layers except the stratum basale are called keratinocytes, a type of cell that manufactures and stores the protein keratin. The keratinocytes in the stratum corneum are dead and regularly slough away, being replaced by cells from...