Stains Flashcards

1
Q

CK+/Vimentin+

A

RCC, clear cell type Endometrium Mesothelioma Salivary gland Thyroid Sweat gland Spindle cell carcinoma of any site

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2
Q

CK+/Vim-

A

RCC, chromophobe type Endocervix (adenocarcinoma) Lung carcinoma Breast Ovary Prostate Colorectum HCC

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3
Q

CK +/ EMA-

A

HCC (Cam5.2+, AE1/AE3–, CK903–) Adrenocortical neoplasms (frequently negative for all CKs) Most neuroendocrine neoplasms Embryonal carcinoma, yolk sac tumor Thyroid

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4
Q

CK-/EMA+

A

Meningioma Perineurioma Plasma cell neoplasms Anaplastic large cell lymphoma Popcorn or lymphocyte predominant (LP) cells [formerly L&H cells] in Hodgkin lymphoma RCC (sometimes)

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5
Q

CK+ non-epithelial tumours

A

Epithelioid sarcoma Synovial sarcoma Desmoplastic small round cell tumour

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