nuclear pseudoinclusion

nuclear pseudoinclusion

A finding by electron microscopy in the nuclei of malignant epithelial cells, in which a “bleb” of cytoplasm prolapses into the nucleus, simulating an intranuclear inclusion.
References in periodicals archive ?
These cells form syncytia and are characterized by oval nuclei, fine chromatin, distinct nucleoli, and occasional nuclear pseudoinclusions.
Dutcher bodies are PAS-positive, diastase-resistant nuclear pseudoinclusions of eosinophilic cytoplasm found in plasma cells described by Dutcher and Fahey (2) in Waldenstrom macroglobulinemia.
The unexpected finding within the cyst of a papillary proliferation with optically clear nuclei, nuclear grooves, and nuclear pseudoinclusions is diagnostic of papillary carcinoma arising in the thyroglossal duct cyst.
The cysts were lined by cuboidal epithelial cells with moderate amounts of eosinophilic cytoplasm and large oval nuclei with occasional nuclear pseudoinclusions (Figure 2).
Microscopically, PXA is characterized by neoplastic astrocytes that show marked nuclear pleomorphism, rare-to-absent mitotic figures, nuclear pseudoinclusions, and variable lipidization.
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