Related Experiment Videos
A Crateriform Facial Nodule in a Man With Pulmonary Tuberculosis
Jie Wu1, HongKun Wang2, JunJun Sang2
1Department of Dermatology, 900 Hospital of the Joint Logistics Team, Fuzhou General Clinical Medical College, Fujian Medical University, Fuzhou, China.
Abstract:
Cryptococcus neoformans is an environmental pathogenic yeast which causes both life-threatening infection and mild, localized infection. Cutaneous cryptococcosis is an uncommon event that usually results from haematogenous dissemination after a primary infection in the pulmonary or other organs, although primary cutaneous infection is possible. The lesions of cutaneous cryptococcosis are not pathognomonic, varying from nodules to ulcers and plaques, and thus can mimic other skin disorders. This case highlights that clinicians need to observe the skin lesions carefully and improve the relevant investigations when encountering this type of rash with a central umbilical notch.
Related Concept Videos
Pulmonary Tuberculosis IV
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
Pulmonary Tuberculosis III
The first classification is based on the development of the disease, and it includes the following categories:
Pulmonary Tuberculosis II
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Pulmonary Tuberculosis I
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis V
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...
Other Pulmonary Disorders