Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Cytomorphologic Categories of Neoplasia
| Category | General Features | Examples |
|---|---|---|
| Epithelial | Clustered, tight arrangement of cells | Transitional cell carcinoma, lung tumors |
| Mesenchymal | Individualized, spindle to oval cells | Hemangiosarcoma, osteosarcoma |
| Round cell | Individualized, round, discrete cells | Lymphoma, transmissible venereal tumor |
| Naked nuclei | Loosely adherent cells with free round nuclei | Thyroid tumors, paragangliomas |
