Solid pseudopapillary tumours are typically round, well-demarcated, measuring 2–17 cm in diameter (average 8 cm), with solid and cystic areas with hemorrhage on cut sections. Solid pseudopapillary tumours consist of solid sheets of cells that are focally dyscohesive. The cells in the lesion usually have uniform nuclei with occasional nuclear grooves, eosinophilic or clear cytoplasm and PAS positive eosinophilic intracytoplasmic globules. Necrosis is usually present a… WebSep 9, 2024 · The pseudopapillae consisted of a central fibrovascular stalk covered by one to multiple layers of neoplastic cells (Fig. 1a). Other growth patterns included: signet ring-type with large clear intracytoplasmic vacuoles, nests with colloid, and neoplastic cells with clear foamy cytoplasm, reminiscent of macrophages.
胰腺实性假乳头肿瘤的主要临床特征及诊断要点_百度文库
WebWhat differentiates these lesions from other cystic tumors is a combination of solid and cystic components, with gradual degenerative changes resulting in pseudopapillae formation (Tang et al, 2005). SPTs are distinct from the normal pancreatic parenchyma and, like other cystic neoplasms, rarely cause ductal dilation due to the lack of invasion. WebDec 14, 2024 · Terminology. The tumor has been referred to with multiple different names, including: solid pseudopapillary tumor (SPT) of the pancreas. solid pseudopapillary … magic button remote
CT of pancreatic schwannoma - PMC - National Center for …
WebAbstract. Lingual papillae of wild boar and pig were studied by means of scanning electron microscopy (SEM). Vallate papillae appear with the typical circumvallate morphology. Their papillary bodies show conical or fungiform-like and spicule-like pseudopapillae in both animals. Taste pores were seen in the papillary grooves. WebJan 1, 2024 · Well-circumscribed adnexal tumor with monotonous glandular formation and intraluminal pseudopapillae. Absence of larger solid tumor areas and lack of dos-à-dos formation of the glandular component. ∙ Apocrine hidrocystoma and cystadenoma. Remarkable risk for misinterpretation, particularly in superficial shave biopsies! WebMean follow-up was 49.2 months (range, 1-228 months). Five and 10-year disease-free survival was 96.5% and 89.6% respectively. Conclusions: SPNs are low-grade tumors … cowbell digital music