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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...
Barrett Esophagus-II: Clinical Manifestations and Management01:21

Barrett Esophagus-II: Clinical Manifestations and Management

Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure entails...
The Retinoblastoma Gene01:20

The Retinoblastoma Gene

Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The Retinoblastoma Gene01:20

The Retinoblastoma Gene

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The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...

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Updated: Jun 6, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
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A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

Published on: September 20, 2018

Becker's nevus syndrome: case report.

Isabela Guimarães Ribeiro Baeta1, Carla Vilela Viotti, Ana Carolina Figueiredo Pereira

  • 1Hospital das Clínicas, Universidade Federal de Minas Gerais, MG, Brasil. isabelagribeiro@hotmail.com

Anais Brasileiros De Dermatologia
|December 15, 2010
PubMed
Summary

Becker's nevus is a rare skin condition characterized by hyperpigmented macules. This case highlights a rare association with ipsilateral mammary hypoplasia in a teenage girl.

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Published on: August 18, 2022

Area of Science:

  • Dermatology
  • Clinical Case Reports

Background:

  • Becker's nevus is a common congenital melanosis.
  • It typically presents as a unilateral, irregular, hyperpigmented macule, often with hypertrichosis.

Observation:

  • A 16-year-old female presented with a large, hyperpigmented macule on her right trunk and thigh.
  • The lesion, present since age seven, was associated with ipsilateral mammary hypoplasia.

Findings:

  • Histological examination confirmed the clinical diagnosis of Becker's nevus.
  • This case represents a rare presentation of Becker's nevus syndrome, emphasizing its association with developmental anomalies.

Implications:

  • This case expands the spectrum of known associations with Becker's nevus.
  • It underscores the importance of thorough clinical evaluation for associated anomalies in patients diagnosed with Becker's nevus.