Armed Forces Institute of Pathology (AFIP) Armed Forces Institute of Pathology (AFIP)
Armed Forces Institute of Pathology (AFIP)AFIP Home PageAFIP ConsultationAFIP EducationAFIP Research ServicesAFIP LeadershipAmerican Registry of Pathology (ARP)National Museum of Health and Medicine
Armed Forces Institute of Pathology (AFIP)
Histological Classification of Tumors of the Genital System of Domestic Animals

1 Tumors of Neuroepithelial Tissue
1.1 Astrocytic tumors
1.1.1 Low-grade astrocytoma (well differentiated)
1.1.1.1 Fibrillary
1.1.1.2 Protoplasmic
1.1.1.3 Gemistocytic
1.1.2 Medium-grade astrocytoma (anaplastic)
1.1.3 High-grade astrocytoma (glioblastoma)
1.2 Oligodendroglial tumors
1.2.1 Oligodendroglioma
1.2.2 Anaplastic (malignant) oligodendroglioma
1.3 Other gliomas
1.3.1 Mixed glioma (oligoastrocytoma)
1.3.2 Gliosarcoma
1.3.3 Gliomatosis cerebri
1.3.4 Spongioblastoma
1.4 Ependymal tumors
1.4.1 Ependymoma
1.4.2 Anaplastic (malignant) ependymoma
1.5 Choroid plexus tumors
1.5.1 Choroid plexus papilloma
1.5.2 Choroid plexus carcinoma
1.6 Neuronal and mixed neuronal-glial tumors
1.6.1 Gangliocytoma
1.6.2 Ganglioglioma
1.6.3 Olfactory neuroblastoma (esthesioneuroblastoma)
1.7 Embryonal tumors
1.7.1 Primitive neuroectodermal tumors (PNET)
1.7.1.1 Medulloblastoma
1.7.1.2 PNETs, excluding cerebellar origin
1.7.2 Neuroblastoma
1.7.3 Ependymoblastoma
1.7.4 Thoracolumbar spinal cord tumor of young dogs
1.8 Pineal parenchymal tumors
1.8.1 Pineocytoma
1.8.2 Pineoblastoma
2 Tumors of the Meninges
2.1 Tumors of the meningothelial cells
2.1.1 Meningioma
2.1.1.1 Meningotheliomatous
2.1.1.2 Fibrous (fibroblastic)
2.1.1.3 Transitional (mixed)
2.1.1.4 Psammomatous
2.1.1.5 Angiomatous (angioblastic)
2.1.1.6 Papillary
2.1.1.7 Granular cell
2.1.1.8 Myxoid
2.1.1.9 Anaplastic (malignant)
2.2 Mesenchymal, nonmeningothelial tumors
2.2.1 Fibrosarcoma
2.2.2 Diffuse meningeal sarcomatosis
3 Lymphomas and Hematopoietic Tumors
3.1 Lymphoma (lymphosarcoma)
3.2 Non-B, non-T leukocytic neoplasm (neoplastic reticulosis)
3.3 Microgliomatosis
3.4 Malignant histiocytosis
4 Tumors of the Sellar Region
4.1 Suprasellar germ cell tumor
4.2 Pituitary adenoma
4.3 Pituitary carcinoma
4.4 Craniopharyngioma
5 Other Primary Tumors and Cysts
5.1 Vascular hamartoma
5.2 Epidermoid cyst
5.3 Pituitary cyst
5.4 Other cysts
6 Metastatic Tumors
7 Local Extensions of Regional Tumors
7.1 Nasal carcinoma
7.2 Multilobular tumor of bone
7.3 Chordoma
8 Tumors of the Peripheral Nervous System
8.1 Ganglioneuroma
8.2 Peripheral neuroblastoma
8.3 Paraganglioma
8.4 Peripheral nerve sheath tumor
8.4.1 Benign (schwannoma, neurofibroma)
8.4.2 Malignant (malignant schwannoma, neurofibrosarcoma)
Privacy and Security Notice | Directions | A-Z Site Index | Contact Us