Rare Location of a Dermoid Cyst in the Parotid Gland: A Case Report.

Dermoid cyst of the parotid gland is a lesion composed of benign tissues of ectodermal and mesodermal origin. Although a dermoid cyst can be encountered across nearly all sites of the body, its location in the head and neck area is quite uncommon and even more unusual inside the parotid gland. We present a case of a patient with gradually enlarging tumour in her right parotid gland who underwent surgical removal of the tumour histologically corresponding to a dermoid cyst.

INTRAOCULAR LYMPHOMA WITH RETROBULBAR INFILTRATION. A CASE REPORT.

Subjective and objective symptoms following intraocular lymphoma could lead to a misdiagnosis at the beginning of the disease, which is the cause for the delay in an effective treatment. The most common manifestation of lymphoma is an inflammatory disease affecting the uvea. A multidisciplinary approach to the diagnosis is required.

Conjuctival lesions - the relationship of papillomas and squamous cell carcinoma to HPV infection.

Unlabelled: The etiology of papilloma formation is multifactorial. There is a strong association between human papillomavirus (HPV) and the development of these conjunctival lesions. HPV is tumorigenic and commonly produces benign tumors with low malignant potential.

Optic nerve orbital meningioma.

Introduction: Orbital meningioma treatment has achieved significant success over the last period. Primary optic nerve sheath meningiomas by the clinically progressive finding, but still persistent sufficient visual acuity, can be treated by fractionated stereotactic radiotherapy. Surgery is indicated for secondary meningiomas of the orbit.

Uveal melanoma survival rates after single dose stereotactic radiosurgery.

This paper presents the long-term results of single dose stereotactic radiosurgery for intraocular uveal malignant melanoma, and summarizes the results of the retrospective study in 170 Slovak patients. A group of uveal melanoma patients (149 choroidal melanoma, 21 ciliary body melanoma) from 20 to 92 years of age with 59 year median were treated in 2001-2016. There were 81males (47.

Perivascular Epithelioid Cell Tumor (PEComa) of the Uterine Cervix: A Case Report of a 43-Yr-Old Woman With Abnormal Uterine Bleeding Treated With Hysterectomy.

Perivascular epithelioid cell tumor (PEComas) are a group of ubiquitous neoplasms described in different organs that share distinctive morphologic, immunohistochemical, ultrastructural, and genetic features. They have been reported in several organs such as the uterus, lung, kidney, liver, small and large bowel, and prostate. To the best of our knowledge, only 8 cervical PEComa cases have been described.

Prognostic value of apoptosis inducing factor in uveal melanoma.

In malignant tumors including uveal melanoma there is a continuous effort in search for additional and relevant factors with predictive value and possible therapeutic indications. In the present work we evaluated the 5-year mortality in a group of patients with surgically treated uveal melanoma and its relation to selected demographic, clinical and histopathological parameters, including the expression of apoptosis inducing factor (AIF) in the neoplastic tissue.We analyzed retrospectively the clinical data of patients with uveal melanoma treated surgically (enucleation, endoresection, exenteration) in the period from 2001 to 2007 (n=54).

[THE BRAF MUTATION AND THE POSSIBILITIES OF UVEAL MELANOMA METASTASING PROGNOSTIC MARKERS IDENTIFICATION].

Aim: The aim is to assess the BRAF gene mutations in patients with posterior uveal melanoma.

Material And Methods: Retrospective analysis of the group of patients with malignant melanoma of the uvea, who were indicated to enucleation between 1.1 2015 to 1.

[Non-melanotic Tumors of the Eyelids Skin and Inner Corner - Basocellular Carcinoma].

Aim: Non-melanoma skin cancer cases in the European population are increasing. Basal cell carcinoma (BCC) is the most common non-melanoma skin cancer of the eyelids and in the inner corner of the eyelid. Due to the latest statistics compiled and published in 2008 in the Slovak Republic (SR) there were registered 5,173 cases of non-melanoma skin cancer (C44 according to ICD-10) in both sexes together (of which women accounted for 51.

[Orbital ontogen dermoid cyst].

In the paper is described the very rare orbital dermoid cyst in lacrimal sac region containing ectopic dental elements. There was an uneventful clinical picture after the first operation, but a recurrence of the cyst with the presence of teeth in lacrimal region of the down eyelid has occurred four years after the first operation. After exstirpation of entire cyst contents has been achieved the favourable cosmetic and functional result.

[The embedded mobile orbital implant from methylmethacrylate "Hydron"--clinical and histopathological findings 25 years after implantation].

The embedded mobile hydrogel methylmethacrylate ("HYDRON" Spofa) orbital implants introduced in the beginning of 70th years of 20th century was a new method to get good cosmetic effects after enucleation. At the Dept. of Ophthalmology of the Comenius University, Bratislava, the rejection rate of this type of orbital implants in the first years after enucleation (1971-1974) was only 16.

First case of cutaneous human dirofilariosis in Slovak Republic.

Dirofilariosis is a zoonotic disease caused by several species of the genus of Dirofilaria. The causative agent initiates a dangerous canine disease reported from many parts of the globe. The parasites are transmitted by arthropods, which act either as a vector or intermediate hosts.

[Traumatic rupture of the spleen. Histopathologic findings].

The most common causes of splenic rupture are blunt injury and surgical intervention in abdominal cavity. Morphological investigation of the spleen often shows but a small capsular laceration as well as haemorrhage and granulocytic infiltration in microscopy of its margins. The laceration may be sometimes difficult to find.

Endothelial changes following repeated effect of vasoconstrictive substances in vitro.

Using perfusion method the reactivity of rabbit femoral and ear arteries was investigated following the administration of rising noradrenaline doses in four consecutive intervals. Progressive increase of vasoconstrictive activity of vessel segments was found. Results of histological examination showed a progressive de-endothelialization of perfused vessels.

Combined chronic toxicity/carcinogenicity study of the fungicide trimorphamide in rats.

Trimorphamide, a new fungicide, was fed over 2 years to groups of 50 male and 50 female rats at dietary levels of 0, 67, 330 and 665 mg/kg. No adverse effects on mortality, haematology, urinalysis, organ weights, incidence and severity of tumors were observed. Isolated observations of abnormalities in blood chemistry suggested the possibility of certain renal damage in the highest dosage group; however, the clinical significance of these findings is dubious.

On the mechanism of acute toxicity of phosmet.

Rats were given single oral doses of phosmet (LD50 or 3/4 LD50). Changes of hematological parameters were studied in several time intervals; the main interest was paid to disturbances in blood clotting. Both light and electron microscopy were used to evaluate histopathological changes in selected organs (liver, lungs, spleen, stomach).