Jun 13, 2022 · p40 is a truncated, nontransactivating p63 isoform that may stimulate cell proliferation, block apoptosis and favor unrestrained tumor growth

Immunostains, routine stains and CD markers at PathologyOutlines.com

Aug 8, 2023 · C. p40 is the stain of choice for the identification of squamous cell carcinoma and will help demonstrate squamous differentiation. Answers A and B are incorrect because while CK7 and CK5/6 …

Mar 4, 2021 · Expression of p40 Metastatic sarcomatoid carcinoma Expression of claudin 4 might be helpful Sarcoma (primary or metastatic) Lack of expression of keratin Expression of lineage specific …

Jul 30, 2021 · Typically p63 positive / p40 negative, whereas adenoid cystic carcinoma is typically positive for both p63 and p40 (Am J Surg Pathol 2014;38:257) HPV related multiphenotypic …

Jan 21, 2025 · NUT carcinoma (see comment) Comment: Immunostains show that the tumor cells are positive for AE1 / AE3, p40 and NUT and negative for CD99 and synaptophysin with intact …

p40 or CK5/6 may be very helpful in such cases; shows lack of basal cell layer Peribronchiolar metaplasia: Ill defined borders and is usually a multifocal process, often in the setting of interstitial …

Jul 30, 2021 · Pleomorphic adenoma is a benign triphasic salivary gland neoplasm composed of epithelial (ductal) cells, myoepithelial cells and chondromyxoid stroma

Adenocarcinoma of the esophagus and esophagogastric junction is a malignant epithelial neoplasm of the esophagus with glandular or mucinous differentiation

Sep 20, 2022 · Positive for p40 and high molecular weight keratins, negative neuroendocrine markers (CD56, synaptophysin, chromogranin) Lung adenocarcinoma, poorly differentiated: Negative for …