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Related Concept Videos

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...
Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
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...
Leishmaniasis01:30

Leishmaniasis

Leishmaniasis is a protozoal disease caused by species of the genus Leishmania and transmitted through the bite of infected female sandflies. The parasite exists in two principal morphological forms during its life cycle. A sandfly acquires intracellular amastigotes from an infected reservoir host, such as a dog. Within the sandfly, these forms differentiate into motile, flagellated promastigotes. During a subsequent blood meal, promastigotes are injected into the human host, where they...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
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 13, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
07:50

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

Published on: September 20, 2018

Case history: scrofuloderma.

M M Lenczner

    Canadian Family Physician Medecin De Famille Canadien
    |May 15, 2010
    PubMed
    Summary

    Tuberculosis is increasing in Canada. Cutaneous tuberculosis, specifically scrofuloderma, can be challenging to diagnose but responds well to prompt treatment.

    Area of Science:

    • Dermatology
    • Infectious Diseases
    • Public Health

    Background:

    • Tuberculosis (TB) incidence has risen in Canada since the late 1960s.
    • Cutaneous tuberculosis is an uncommon manifestation in Western countries, potentially leading to diagnostic delays.
    • Scrofuloderma is a specific form of cutaneous tuberculosis.

    Purpose of the Study:

    • To present a typical case of scrofuloderma.
    • To highlight diagnostic challenges associated with cutaneous tuberculosis.
    • To demonstrate the effectiveness of prompt therapeutic response.

    Main Methods:

    • Case report presentation.
    • Clinical diagnosis of scrofuloderma.
    • Monitoring of therapeutic response.

    Related Experiment Videos

    Last Updated: Jun 13, 2026

    A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
    07:50

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

    Published on: September 20, 2018

    Main Results:

    • A typical case of scrofuloderma was successfully diagnosed.
    • Diagnostic difficulties were encountered due to the uncommon presentation.
    • The patient showed a prompt positive response to therapy.

    Conclusions:

    • Cutaneous tuberculosis, such as scrofuloderma, requires careful consideration in differential diagnosis, especially in regions with increasing TB rates.
    • Early recognition and treatment are crucial for favorable outcomes in cutaneous tuberculosis.
    • This case underscores the importance of awareness regarding uncommon TB presentations.