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Fungal Arthritis (Mycotic) - Cause - Diagnosis - Symptoms - Treatment

Information on the cause, diagnosis, symptoms and treatment of fungal arthritis, which is also known as mycotic arthritis. Fungal or mycotic arthritis is an inflammation of a joint caused by infection from a fungus. Fungal or mycotic arthritis is the rarest type of infectious arthritis. It can be caused by any of the invasive fungi.
  1. A - Z: Types of Arthritis
  2. Infectious Arthritis

Fungal arthritis - Mycotic arthritis
Fungal arthritis is an inflammation of a joint caused by infection by a fungus. Fungal or mycotic arthritis is a very rare condition and may be caused by any of the invasive fungi. These organisms may affect bone or joint tissue. One or more joints may be affected, with the large weight-bearing joints, especially the knee, most commonly affected.

What are Fungal infections? (Image)
Fungal infections are caused by microscopic plants (fungi) that can live on the skin. They can live on the dead tissues of the hair, nails, and outer skin layers.

Septic arthritis
Septic arthritis is an inflammation of a joint caused by bacterial invasion (but not the bacterium that causes gonorrhea).

Sporotrichosis
Sporotrichosis is a chronic skin infection, caused by the fungus (Sporothrix schenckii) which may become a widespread (disseminated, systemic) infection, particularly in people with weakened immune systems. Systemic sporotrichosis can cause lung and breathing problems, osteomyelitis, arthritis, and meningitis.

Sporotrichosis on the forearm (Image)
Sporotrichosis is a fungal infection that frequently occurs following a minor injury while gardening or farming. Spores, which live in vegetation, enter the skin and begin to grow. The fungus follows the lymph channels up the extremity. Granulomatous lesions develop along the lymph channel, ulcerate, and drain. If untreated, this condition can persist for years.

Sporotrichosis on the hand and arm (Image)
Sporotrichosis is a fungal infection that frequently occurs following a minor injury while gardening or farming. Spores, which live in vegetation, enter the skin and begin to grow. The fungus follows the lymph channels up the extremity. Granulomatous lesions develop along the lymph channel, ulcerate, and drain. If untreated, this condition can persist for years.

Sporotrichosis on the arm (Image)
Sporotrichosis is a fungal infection that frequently occurs following a minor injury while gardening or farming. Spores, which live in vegetation, enter the skin and begin to grow. The fungus follows the lymph channels up the extremity. Granulomatous lesions develop along the lymph channel, ulcerate, and drain. If untreated, this condition can persist for years.

Candida (Candida albicans), flourescent stain (Image)
This microscopic film shows a fluorescent stain of Candida (Candida albicans). Candida is a yeast (fungus) that causes mild disease, but in immunocompromised individuals it may cause life-threatening illness.

Coccidioidomycosis
Coccidiodomycosis is a disease caused by the spores of the fungus, Coccidioides immitis.

Coccidioidomycosis - chest X-ray (Image)
This chest x-ray shows the affects of a fungal infection, coccidioidomycosis. In the middle of the left lung (seen on the right side of the picture) there are multiple, thin-walled cavities (seen as light areas) with a diameter of 2 to 4 centimeters. To the side of these light areas are patchy light areas with irregular and poorly defined borders.

Histoplasmosis
Histoplasmosis is a fungal infection caused by Histoplasma capsulatum, which primarily affects the lungs but may spread to other organs.

Histoplasmosis, disseminated (Skin lesion) (Image)
This is a skin lesion resulting from disseminated histoplasmosis. Histoplasmosis occurs most frequently as a lung infection, however it can infect the skin or become distributed (disseminated) to internal organs.

Disseminated histoplasmosis (Image)
Histoplasmosis is a fungal infection caused by inhaling dust from spore-infected bird droppings. In the disseminated form, infection spreads throughout the body from the lungs. The disease progresses rapidly and death occurs in about 90% of cases.

Acute histoplasmosis (Image)
Histoplasmosis is a fungal infection caused by inhaling dust from spore-infected bird droppings. The acute form is treated with antifungal medication.

Blastomycosis
Blastomycosis is a rare fungal infection caused by inhaling a fungus (Blastomyces dermatitidis), which is found in wood and soil.

Cryptococcosis
Cryptococcosis is a rare fungal infection caused by inhaling the fungus, Cryptococcus neoformans.

Cryptococcus skin lesions (Image)
These are Cryptococcus skin lesions. Cryptococcus is a yeast (type of fungus) that seldom causes infection, but is considered opportunistic (it affects people with weakened immune systems).

Cryptococcus skin lesions on the forehead (Image)
This is an example of Cryptococcus skin lesions on the forehead. Cryptococcus is a yeast (type of fungus) that seldom causes infection and is considered opportunistic (affecting individuals with weakened immune systems).

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