Challenging the concept of microinvasive carcinoma of the vulva: report of a case with regional lymph node recurrence and review of the literature.
Sidor J, Diallo-Danebrock R, Eltze E, Lellé RJ.
BMC Cancer. 2006 Jun 14;6:157. Review.
PMID: #16774683# (Free)
Vulvar intraepithelial neoplasia and microinvasive carcinoma of the vulva.
Buckley CH, Butler EB, Fox H.
J Clin Pathol. 1984 Nov;37(11):1201-11. Review.
PMID: #6389601# (...)
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Signet-ring cell carcinoma; diffuse-infiltrative carcinoma; PCC carcinoma
Definition: Signet-ring cell carcinoma is a type of adenocarcinoma.
In the gastrointestinal system, carcinomas with single-cell or cord-like infiltration, previously called “diffuse-infiltrative” type or “signet-ring cell”, are now designated as “poorly cohesive cell” (PCC) type (regardless of with/without signet-ring cells) in the WHO-2010 classification.
gastric signet-ring cell carcinoma
Poorly cohesive cell (diffuse-infiltrative/signet-ring cell) carcinomas of the gallbladder
Definition: Signet-ring cell carcinoma is an extremely rare type of gallbladder carcinoma.
Poorly cohesive cell (diffuse-infiltrative/signet-ring cell) carcinomas of the gallbladder https://twitter.com/PathologyTweet/status/781475027229216768
In the gastrointestinal system, carcinomas with single-cell or cord-like infiltration, previously called “diffuse-infiltrative” type or “signet-ring (...)
Antral-type mucous glands, body of gallbladder https://twitter.com/a_sleeping_dog/status/762544084762320896
antral-type mucous glands
tumors of salivary glands
IHC labelling patterns
nuclear IHC labelling
membranous IHC labelling
cytoplasmic IHC labelling
dot-like IHC labelling
dot-like IHC positivity
dot-like CK20+ tumors Merckel cell carcinoma Image : https://twitter.com/JMGardnerMD/status/761563187376422912
immunochemistry IHC labelling patterns
Dot-like CK20+ tumors
Merckel cell carcinoma Image : https://twitter.com/JMGardnerMD/status/761563187376422912
KRT20 / CK20 CK20+ tumors
dot-like IHC labelling
hyperplastic polyp of the gastric mucosa Focal foveolar hyperplasia and hyperplastic polyp of the gastric mucosa can readily be differentiated on the basis of architectural and cytological criteria, even in forceps biopsy material. Since the hyperplastic polyp very probably does not evolve from focal foveolar hyperplasia, and the latter is not a pre-neoplastic condition or lesion, it is proposed that focal foveolar hyperplasia should no longer be referred to as (...)
Because most of malignant pleural mesothelioma (MPM) patients first present with pleural effusion, detection of mesothelioma cells on effusion smears is critical for early diagnosis.
The cytological diagnosis of MPM supported by ancillary techniques is as reliable as that based on histopathology has led to new guidelines for the cytopathologic diagnosis of MPM.
Based on the guidelines, a combination of cytomorphological criteria and verification by ancillary techniques is required for the (...)
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