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Recursos del Cáncer > Universidad de OncoLink > Una Introducción al Cáncer: Un Manual para Estudiantes de Escuela Superior

Categorizaton of Tumors

Ultima Vez Modificado: 1 de noviembre del 2001

Tumors are often placed under one of two categories; malignant or benign. Malignant tumors are cancerous and benign tumors are non-cancerous.

ELSI breast tumor (http://www.lbl.gov/Education/ELSI/cancer-tumor.html)

Benign Tumors

• no anaplasia

• noninvasive

• encapsulated

• slow growing no metastases

• highly differentiated

• mitoses rare

ELSI brain tumor (http://www.lbl.gov/Education/ELSI/cancer-tumors.html)

Malignant Tumors

• anaplastic

• metastasizing

• nonencapsulated

• invasive

• tendency toward de-differentiation

• mitoses relatively common

• usually rapid growth

An animation of carcinogenesis.