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Category:

Bacillary Angiomatosis

Category: Infectious Vascular Lesions

Symptoms:
red, raised vascular skin lesions; fever; malaise; enlarged lymph nodes; systemic symptoms in severe cases

Root Cause:
Infection caused by Bartonella henselae or Bartonella quintana, often occurring in immunocompromised patients.

How it's Diagnosed: videos
Biopsy of lesions with histopathological examination and PCR to detect Bartonella species.

Treatment:
Prolonged antibiotic therapy with oral erythromycin or doxycycline; alternative therapies for resistant cases.

Medications:
Erythromycin (macrolide antibiotic) or doxycycline (tetracycline antibiotic); rifampin may be added for severe cases.

Prevalence: How common the health condition is within a specific population.
Rare; primarily affects immunocompromised individuals such as those with HIV/AIDS.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Immunosuppression, exposure to cats (reservoir for Bartonella henselae), homelessness (linked to Bartonella quintana).

Prognosis: The expected outcome or course of the condition over time.
Good with treatment; lesions resolve, and systemic symptoms improve, but untreated cases can lead to severe complications.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Dissemination to internal organs, bone infections, endocarditis, and death in untreated or severe cases.