Autor MUDr. Pavol Janega, PhD.


In Slovakia, malignant melanoma belongs among the tumours with incessantly rising incidence and mortality. Malignant melanoma has been recently subject to intensive research under multiple...


Pseudoglandular changes are a very rare phenomenon that can be found in melanocytic lesions. Even until today, causes of their development as well as their...


Steroid cell tumors are a group of sex cord-stromal tumors, which arise from ovarian stroma. Specialized stroma of the genital ridge is derived from sex...

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