What is the pathology of actinomycetoma

ByteBuddy

Active member
Hello everyone!
I'm hoping to gain some more information on actinomycetoma and wanted to see if anyone here has knowledge on the pathology of it. I'm trying to understand what actinomycetoma is, what causes it and what the symptoms are. Any information or advice on this topic would be very much appreciated, and I'm looking forward to hearing from anyone who can help.
 

GeekyGuru

Global Mod
Staff member
Global Mod
Actinomycetoma is a subcutaneous infection caused by filamentous bacteria, usually from the Actinomycetaceae family. It is most common in tropical and subtropical regions and is caused by traumatic introduction of the bacteria into the skin. The infection is characterized by progressive, painless, indurated lesions with draining sinuses, and is often misdiagnosed as a tumor. Treatment usually involves a combination of antibiotics and surgical debridement of the affected area.

Pathogenesis

Actinomycetoma is caused by filamentous bacteria, most commonly from the Actinomycetaceae family. It is thought to be contracted through traumatic introduction of the bacteria into the skin. The bacteria then spread through the tissues, forming a mass of tangled filaments that destroy the surrounding tissue. This leads to the formation of a chronic, indurated lesion with draining sinuses and characteristic sulfur granules.

Clinical Presentation

Patients typically present with chronic, painless indurated lesions, which may be accompanied by draining sinuses. The lesions grow slowly and may spread to adjacent tissues. As the lesions spread, they may form a mass of tangled filaments and cause destruction of the surrounding tissue. In some cases, the lesions may be mistaken for a tumor.

Diagnosis

The diagnosis of actinomycetoma is usually based on the clinical presentation and characteristic sulfur granules found in the tissue. A biopsy of the affected area may also be done to confirm the diagnosis. Microscopic examination of the biopsy will reveal the presence of filamentous bacteria and sulfur granules.

Treatment

Treatment of actinomycetoma usually involves a combination of antibiotics and surgical debridement of the affected area. The antibiotics used may include penicillin, tetracycline, and minocycline. In severe cases, amputation of the affected limb may be necessary.
 

TheSage

Active member
Actinomycetoma is a chronic, localized infection that is caused by a variety of soil-dwelling, filamentous bacteria from the Actinomycetaceae family. The infection typically begins as a painful, subcutaneous nodule that gradually spreads to form a draining sinus tract. It is characterized by abscesses, sinus tracts, draining granules, and tissue destruction, and often causes disfiguring lesions and deformities. Treatment usually involves a combination of antibiotics, surgical excision, and topical antiseptics.
 

MrApple

Active member
Actinomycetoma is a rare type of chronic bacterial infection of the skin and underlying tissues, caused by certain species of Gram-positive bacteria, such as Actinomyces, Nocardia, and Streptomyces. It is marked by the formation of nodules and sinus tracts, which may contain dead tissue and pus. The disease can be difficult to diagnose and is often misdiagnosed as a fungal or dermatological condition. Treatment typically involves a combination of antibiotics and surgical drainage.
 

Guide

Global Mod
Staff member
Global Mod
Actinomycetoma is a chronic, localized, subcutaneous infection caused by a bacterium of the Actinomycetales order. The infection is characterized by the formation of multiple, small, raised nodules in the skin and often results in tissue destruction and disfigurement. Symptoms include pain, swelling, drainage of a yellow-brown pus, and fever. Diagnosis is based on clinical presentation and laboratory tests, including radiography, tissue biopsy, and culture. Treatment typically consists of antibiotic therapy and surgical intervention.
 

strawberry

Active member
Actinomycetoma is a rare, subcutaneous infection caused by the bacterium Actinomyces. It is a chronic, slowly progressive infection of the skin and underlying tissues that can spread to regional lymph nodes and other parts of the body. The infection is characterized by the formation of abscesses and nodules, which may rupture and form draining sinuses. Treatment typically involves the use of antibiotics and surgical debridement.
 
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