In the MediDerm clinic, we perform all types of dermatological diagnostics.

Skin biopsy

The procedure of taking a small cut of skin changes we want to examine, while the patient is administered local anesthesia. The material obtained by the biopsy is sent to the pathohistological laboratory, where it’s being tested for the suspected diseases and conditions.

The procedure is completely painless and the patient returns to his daily duties and activities immediately after. The results are usually complete within 7 to 14 days.

Microbiological diagnostics

In the Polyclinic we have the possibility to take nose, throat, vagina, urethra and wound smears. We also perform microbiological treatment of ejaculates, as well as serology for HIV, Hepatitis B and C, VDRL, and TPHA in case of suspected Treponema pallidum (Syphilis).

  • When to make urethra smear?

If you’re experiencing discomfort, itching, scratching or pain during sexual intercourse, and periodic discharge from your vagina or urethra, you may have an infection of the genital tract. It is necessary to take urethral or vaginal smears for adequate and timely treatment.

Doing so as soon as possible is important for introducing appropriate therapy and preventing the development of complications that can come from untreated sexually transmitted diseases.

Instructions for taking urethra smear: It is recommended that patients do not urinate four hours before taking the urethral smear. Patients perform regular water and soap hygiene beforehand at home.

Instructions for taking ejaculate for microbiological analysis: Before taking a sample of the ejaculate, it is recommended to abstain from intercourse for 4-5 days. Immediately prior to taking the sample, it is recommended to wet and wash your intimate area with water and soap. The sample should be placed in a sterile container with a wider opening and held by the fingers on the outside.

We also perform mycological treatment in the clinic. We analyze the skin, scalp or nail samples when suspected of fungal infections.

Ultrasound diagnostics

Non-invasive, inevitable method for diagnostics, preventive examinations, and chronic disease control is the ultrasound. We do the Polyclinic:

Ultrasound of the lymph nodes (neck, armpits, groin), belly, thyroid, abdomen, breasts, wrists, and muscles is performed in the clinic, as well as Color Doppler of the blood vessels.

Allergology tests

At least three days before the skin test, the respondent must not use antiallergic drugs (antihistamines). Testing cannot be carried out in the acute stage of the disease. The skin must be unchanged.

Prick test on nutritional and inhalation allergens

The skin test is performed by introducing small doses of allergens to the skin that causes an allergic reaction of the first type in the hypersensitive person. If the person is allergic, swelling (urticaria) and redness will appear on the spot in which the allergen has been applied in around 15 minutes, as a sign of chemical substances that are released during the allergic reaction.

The PATCH test

It serves to prove the late reaction of hypersensitivity to contact allergens. The test is performed on the back of the skin where allergen-friendly patches are applied. The test is read after 48 and 72 hours. In the clinic, we have the ability to perform the testing with a series of 23 standard allergens, as well as testing with a professional series of allergens (dental and hairdressing set).


Dermatoscopy is a non-invasive diagnostic method that detects pigmental and non-pigmental lesions on the skin using the dermatoscope device. The dermatoscope has the ability to enlarge from 10 to 100 times and allows a detailed analysis of the structure of individual lesions of the skin.

We use 3 Gen’s Derma Lite dermatoscopes and a digital dermatoscope that allows us to monitor suspicious moles, photograph them and digitally storage the images for comparison when doing checkups. If there are changes in the structure, color, edges, or size of the lesion, the patient is directed to surgical excision.

Urea exhalation test

This non-invasive test is intended to determine the presence of Helicobacter pylori.

During the test, the patient drinks 2 dl of 100% orange juice and a solution containing 13C-urea, which is completely harmless.

In the presence of the Helicobacter Pylori bacterium, 13C-urea is metabolized and the composition of the exhausted air is different before and after the solution is consumed. The test is done on an empty stomach, before the test you should not smoke or drink water, and it is recommended not to wash your teeth that morning.

The test takes about 30 minutes. The results are done in 2 to 3 days.

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