Leishmaniasis: Causes, Symptoms, Diagnosis and Treatment

Parasitic Disease Tegan Parry

How Is Leishmaniasis Diagnosed?

Early diagnosis is very essential for treating leishmaniasis. It would help to let your doctor know if you have lived or visited a place where leishmaniasis commonly occurs. This will help your doctor know to test you for the parasite. If you have the condition, your doctor may recommend other tests to determine which species of leishmaniasis is responsible. Let’s take a look at some tests that cause leishmaniasis:

Needle biopsy. This test involves using a needle to get a sample of tissue from your spleen, bone marrow, or lymph nodes. A lab technician will use a microscope to look for the Leishmania parasite. Needle biopsy is the best test for diagnosing visceral leishmaniasis.
Skin biopsy: This test usually involves taking a sample of tissue from an ulcer on your mouth, nose, or skin. A lab technician will test the sample of leishmania parasite. This test is best for diagnosing mucosal or cutaneous leishmaniasis.
Blood tests (serology): In some cases, a doctor may recommend blood tests to look for signs of a leishmania infection in your blood. They will get a blood sample by inserting a small needle into your vein in your arm or by pro king your skin using a needle. Blood tests are usually not useful for diagnosing a current leishmania infection. Since people cannot have the condition without symptoms, blood tests may be positive even when you are not infected.

Let’s take a look at ways to diagnose the different types of leishmaniasis.

Cutaneous leishmaniasis

To diagnose cutaneous leishmaniasis, your doctor may take a small amount of skin to the lab for a biopsy by removing one of the ulcers. Your doctor will look for the DNA, or other genetic material, or the parasite. They can also use a variety of methods to identify the species of parasite causing the infection.

Visceral leishmaniasis

It is usually difficult to Reno’s bite from a sand fly. This usually makes the condition more difficult to diagnose. A history of living or traveling to a region where leishmaniasis is common may aid diagnosis. Your doctor may also perform a physical exam to look for a large spleen or liver. They may also perform a bone marrow biopsy or take a blood sample for examination.

A wide variety of tests help with diagnosing leishmaniasis. Certain chemical stains of bone marrow may help detect immune cells that have been infected with the parasite.

Tegan Parry October 12, 2023

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