Biophilia Tracker X3 for Nasopharyngeal Examination

Biophilia Tracker X3 for Nasopharyngeal Examination

In 2006, the Institute of Practical Psychophysics introduced 3D NLS-graphy as an examination method for the first time. Since then, we have accumulated extensive experience in the diagnosis of various pathologies of the upper respiratory tract. The Institute developed NLS-graphic symbology, created spectral etalons for various genetic nasopharyngeal tumors, and developed spectral-based criteria for differential diagnosis of malignant, benign, and non-neoplastic pathologies.

Indications for NLS angiography are symptoms associated with the development of nasopharyngeal tumors, which can be divided into nasal, ear, and nervous systems according to localization.

Nasal shortness of breath occurs in nasopharyngeal tumor localization. Nasal breathing becomes shorter and shorter, with mucopurulent and purulent discharge, and a mixture of blood in the nasal cavity. The number of complaints of nasal shortness of breath depends on the exogenous components of the tumor closing the opening and additional inflammation. Bleeding can be detected if there are periodic ulcers on the surface; it becomes dangerous for angiofibromas.

If the tumor is located in the anterior wall of the auditory canal orifice, Trotter syndrome may occur: hearing impairment on the affected side of the head, neuralgia, numbness of the third branch of the trigeminal nerve, and limited mobility of the unilateral soft palate. If the tumor is located near the orifice of the auditory canal, the main manifestations are hearing impairment, tinnitus, and ear fullness.

If the tumor spreads to surrounding tissue, neurological symptoms can occur. The most common neurological disorders appear if the tumor spreads to the base of the skull, posterior and lateral walls of the nasopharynx, and symptoms of almost all pairs of cranial nerves are detected at the same time: presence of abducens, facial nerve palsy, presence of half of the immobile larynx, Adhesion, sensitivity, taste and tongue declination disorders.

The above-mentioned diseases develop while the tumor persists. During the early stages of nasopharyngeal tumor development, the symptoms of the disease disappear, and the first clinical manifestation of nasopharyngeal carcinoma is cervical lymphadenopathy in 50% of cases. This fact proves that NPC is characterized by early regional metastatic disease. The size of the primary tumor was not associated with the presence of regional metastatic disease. Even at small and shallow infiltration of the primary tumor, multiple metastases can be detected from the involved side and from the chiasm and bilaterally, usually in the deep jugular lymph node group. Large metastases cause pain and develop Gorner syndrome, which is characterized by constriction of the palpebral fissures, and retraction of the pupil and globe.

Nasopharyngeal examination was performed using a modern device, the Biophilia Tracker.