The study of glioblastoma multiforme in the anterior chamber of the guinea pig eye provided an unusual opportunity to observe the effect of a malignant but locally confined neoplasm on a serum enzyme system. Biochemically, these tumor-bearing guinea pigs were distinguishable from normal controls by a significant depression of serum cholinesterase activity. This observation substantiated the pre...

Esthesioneuroblastoma (ENB) is an extremely rare malignant neoplasm of the nasal cavity. We report the case of a middle aged man who presented with a 6-months history of progressive nasal obstruction, watering of the eye, headache and occasional epistaxis. A diagnosis of esthesioneuroblastoma was established by histopathology and confirmed by immunohistochemistry. On staging the mass was classi...

Embryonal rhabdomyosarcoma of orbit presenting as a case of rapid proptosis of the right eye is reported in a 4 year old male child. There was no evidence of recurrence during a follow up of 6 months. Rhabdomyosarcoma is one of the most common primary malignant orbital neoplasms of child hood. It usually produces a precipitously progressing unilateral proptosis of sudden onset. It is a highly m...

primitive neuroectodermal tumor (pnet) is usually an aggressive, rapidly progressing and metastasizing tumor. occurrence of this type of tumor in the kidney is considered as unusual and few cases have been reported so far. we present a metastatic pnet arising probably from the kidney in a 17-year-old female patient with local invasion and metastasis to the stomach. pnet should be considered as ...

OBJECTIVE To report the clinical and histopathologic findings of retinal astrocytic tumors that showed progressive growth in four patients with tuberous sclerosis complex (TSC). METHODS Four young children each developed an enlarging retinal neoplasm that eventually necessitated enucleation of the affected eye. The systemic findings, clinical course, and histopathologic findings were reviewed...

Colorectal masses can be non-neoplasm, benign neoplasm and malignant neoplasm. Diagnosis of colorectal mass done by biopsy or surgery then followed histopathological examination. The aim this study was to described the histopathology feature in Anatomic Pathology Laboratory Arifin Achmad Regional Hospital Riau Province January 2015 - December 2019. This found 304 cases consisted men (55,6%) wom...

A solid pseudopapillary tumor of the pancreas (SPT) is alternatively called a 'Frantz tumor.' It was first named after its discoverer in year 1959. This has been previously designated as papillary epithelial neoplasm, low-grade and neoplasm pancreas. rare pancreatic neoplasm. typically affects young people female predilection. Its histogenesis rather debatable. Acinar, endocrine, ductal...

testicular cancer is one of the commonest cancers in men of working age, and is increasing in incidence in europe and north america. one suggested mechanism of causation is that there is impaired differentiation of germ cells in the pre- or perinatal period, followed by malignant transformation in later life, possibly by a hormonal mechanism. endocrine disrupting chemicals (edcs) have been a ma...

BACKGROUND/AIM Eye enucleation is one of the oldest surgical procedures. The aim of the study was to determine the causes of enucleation as seen in a major reference eye center in Serbia. METHODS Retrospective case series involving a review of all enucleation procedures performed in the period between January 2000 and December 2008 at the Institute for Eye Diseases, Clinical Center of Serbia,...