PAGET’S DISEASE. Intraepidermal glandular carcinoma. Dog

 

COLLISION TUMOR. Confluence of a carcinoma and osteosarcoma

 

OLYMPUS DIGITAL CAMERA

BASAL CELL CARCINOMA. Epithelial neoplasia CK5+ and CK8+

 

alopecia-areata

ALOPECIA AREATA. Accumulation of CD4 + and CD8 + lymphocytes in the follicular bulb

 

c-kit-mastocitoma

c-kit Type II pattern of expression of c-kit in mast cell tumor. Indicates mutation

 

Mesotheliome

MESOTHELIOME. Epithelial neoplasia derived from serosa.

 

Lymph B. CD79 green, CD3 red

DOUBLE IMMUNOLABELLING B LYMPHOM. Green B lymphocytes (CD79+). Red T lymphocytes (CD3+).

 

DSCN4895

PIGMENTED VIRAL PLAQUE. Papillomavirus infection

 

DSCN2774

MYCOBACTERIOSIS. Granulomatous lymphadenitis in a Schnauzer associated with Mycobacterium avium subsp. Hominissuis

 

DSCN6519

CRYPTOCOCCOSIS. Monomorphic organisms 1-7 µm in diameter with capsular transparent halo

 

Vesícula.red

EPIDERMOLYSIS BULLOSA. Separation of the epidermis and dermis

 

CIRRHOSIS. Fibrosis and nodular hyperplasia

CIRRHOSIS. Fibrosis and nodular hyperplasia

 

INSULINOMA. Insulin producing beta cells adenoma

INSULINOMA. Insulin producing beta cells adenoma

 

Histovet -CYTOKERATIN. Cytokeratin positive cells in a carcinoma

CYTOKERATIN. Cytokeratin positive cells in a carcinoma

 

fig1

PLEOCYTOSIS. Increased inflammatory cells in the cerebrospinal fluid in encephalitis

 

SCHWANOMA

SCHWANOMA. Benign neural tumor

 

vasculitis

VASCULITIS. Type III hypersensitivity reaction

 

linfagiectasia

LHYMFAGIECTASIA. Dilated lymph vassels in a protein losing enteropathy