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Detecting nevi with Nevisense

Nevisense is the first objective non-visual diagnostic tool for detecting melanoma. By collecting and analysing electrical measurements in the epidermis and dermis using the Electrical Impedance Spectroscopy (EIS) method, the device provides reliable and unique information which cannot be obtained through any other tool.

Nevisense is safe and painless. The device offers additional diagnostic information and helps physicians and patients to make informed decisions in more difficult borderline cases. Additional information at

Diagnostic challenges

Most dermatologists consider visual examination to be sufficient. Professional literature however shows that the accuracy of visual examination with a dermatoscope does not ensure a 100% accurate diagnosis. This may have two consequences: on the one hand, a life-threatening melanoma may not be detected; on the other hand, the dermis and epidermis may be extensively or traumatically removed, although the lesion is benign. Nevisense complements the examination with reliable and objective additional information which ensures a more confident and accurate diagnosis.

When to use Nevisense?

Nevisense is intended for additional examination of such skin lesions which have one or more characteristics of melanoma. The following criteria must also be fulfilled:

  • the size of the skin lesion is 2–20 mm;
  • the skin lesion must be easy accessible by the Nevisense probe;
  • the skin lesion is intact (non-ulcerated or non-bleeding);
  • the skin lesion does not contain a post-trauma scar or fibrosis;
  • the skin lesion is not located in areas of psoriasis or eczema, on the skin with severe sunburn or on special anatomic sites (soles/palms, genitals, eyes, mucous membranes).

The result of a Nevisense examination may be interpreted only by a physician who is competent in diagnosing malignant skin cancers. Nevisense is only one tool which helps to give the final assessment and it should be used in combination with other clinical signs of melanoma before a decision is made to remove the skin lesion surgically.

Description of procedure

The Nevisense examination is simple and painless and lasts around 30 minutes. The examination is performed by nurse Julianna Šeleg who has appropriate training.

The device gives an assessment, on a scale of 1–10, about the malignancy of the skin lesion. Additional dermoscopic images are taken of suspicious nevi which are reviewed by several physicians. No later than two working days after the examination, the patient is given the final assessment and some suggestions for the future action.

Kotka Tervisemaja Koroonatest