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Endoscopic ultrasound-guided fine-needle aspiration cytology diagnosis of solid-pseudopapillary tumor of the pancreas: a rare neoplasm of elusive origin but characteristic cytomorphologic features.
TLDR
Clinical setting, cytomorphologic features, and immunostains of the cell block help distinguish SPTP from pancreatic endocrine tumors, acinar cell carcinoma, and papillary mucinous carcinoma.
Cytology of angiosarcoma. Findings in fourteen fine-needle aspiration biopsy specimens and one pleural fluid specimen.
TLDR
This cytologic series emphasizes that the cytologic features are heterogeneous but that the diagnosis can be suggested by fine-needle aspiration (FNA) when vasoformative features are present, and can be made conclusively by FNA with immunocytochemical confirmation of endothelial differentiation.
Hyperplasia of type II pneumocytes in acute lung injury. Cytologic findings of sequential bronchoalveolar lavage.
TLDR
Sequential lavage provides a means to study pulmonary epithelial changes after lung injury and recognition of the morphologic features of type II pneumocytes and careful clinical correlation usually will suffice to prevent a false diagnosis of malignancy.
Syndecan-1 expression is induced in the stroma of infiltrating breast carcinoma.
TLDR
Comparison of malignant and nonmalignant breast tissues using immunohisto-chemistry with monoclonal antibody B-B4 suggests that changes in syndecan-1 expression are critical in promoting the metastatic phenotype of infiltrating ductal carcinoma of the breast.
Intraductal papillary-mucinous neoplasm of the pancreas. The findings and limitations of cytologic samples obtained by endoscopic ultrasound-guided fine-needle aspiration.
TLDR
Aspirates from 13 lesions were acellular or sparsely cellular, but entrapped single or loosely cohesive neoplastic cells were identified in 16 cases, and Goblet cell morphologic features were common, but papillary clusters and dysplastic changes were infrequent.
Cytology of pancreatic acinar cell carcinoma
TLDR
The databases searched for cases of histologically confirmed pancreatic ACC which had undergone prior fine needle aspiration of the primary pancreatic lesion and found four cases that had undergone FNA prior to histologic confirmation of the diagnoses.
Review of endoscopic ultrasound‐guided fine‐needle aspiration cytology
This review, based on the Hennepin County Medical Center experience and review of the literature, vastly covers the up‐to‐date role of endoscopic ultrasonography (EUS) and EUS‐guided fine‐needle
Selected Problems in Fine Needle Aspiration of Head and Neck Masses
TLDR
A wide variety of masses in the head and neck, including those in the major salivary glands, can be approached by fine needle aspiration, but several significant but uncommon areas can lead to diagnostic difficulties, with the potential for clinically important diagnostic errors.
Interobserver variability of a Papanicolaou smear diagnosis of atypical glandular cells of undetermined significance.
TLDR
The interobserver agreement in reclassifying AGUS lesions is very poor; the AGUS category is poorly understood, and there is no agreement on diagnostic cytologic criteria; and when re classifying slides, cytopathologists make a number of false-negative diagnoses.
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