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Related Concept Videos

Skin Cancer01:30

Skin Cancer

Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Papillary Dermis01:11

Papillary Dermis

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 and...
Reticular Dermis01:15

Reticular Dermis

The papillary and reticular dermis are the two layers of the dermis. They are made of connective tissue with fibers of collagen extending from one to the other, making the border between the two somewhat indistinct. The dermal papillae extending into the epidermis belong to the papillary layer, whereas the dense collagen fiber bundles below belong to the reticular layer.
Reticular Layer
Underlying the papillary layer is the much thicker reticular layer, composed of dense, irregular connective...
Sutures of the Skull01:22

Sutures of the Skull

The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
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Healing II: Complications01:24

Healing II: Complications

Complications during healing arise when tissue repair is altered by local or systemic factors. These changes involve abnormal collagen deposition, altered biomechanics, and reduced vascular supply, impairing restoration of normal structure and function.Loss of FunctionScar tissue differs significantly from the original tissue it replaces. In the skin, fibrosis lacks adnexal structures such as hair follicles, sebaceous glands, and sweat glands. Their absence reduces tactile sensitivity, impairs...

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Related Experiment Video

Updated: Jun 24, 2026

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
06:15

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Published on: August 9, 2024

Multiple warty dyskeratomas on the scalp.

Melek Koç1, Mukaddes Kavala, Emek Kocatürk

  • 1Department of Dermatology, Goztepe Training and Research Hospital.

Dermatology Online Journal
|April 2, 2009
PubMed
Summary

Warty dyskeratoma typically presents as a single lesion. This report details a rare case of multiple warty dyskeratoma lesions on the scalp in a female patient.

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Area of Science:

  • Dermatology
  • Histopathology

Background:

  • Warty dyskeratoma is a rare benign skin neoplasm.
  • It is characterized by acantholytic dyskeratosis on histopathological examination.
  • Typically presents as a solitary papule or nodule.

Observation:

  • This report describes a female patient with multiple verrucous papules on the scalp.
  • The clinical presentation was unusual for warty dyskeratoma.

Findings:

  • The patient was diagnosed with warty dyskeratoma.
  • Diagnosis was confirmed through both clinical and histopathological evaluation.
  • This case highlights a rare presentation of multiple lesions.

Implications:

  • This case expands the known clinical spectrum of warty dyskeratoma.
  • It underscores the importance of considering multiple lesions in the differential diagnosis.
  • Further research may elucidate the etiology of multiple warty dyskeratoma presentations.