A benign neoplasm histologically characterized by the presence of connective tissue stroma and epithelial structures
Fletcher CDM, Unni KK, Mertens F (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of Soft Tissue and Bone.
IARC Press: Lyon 2002
Metanephric adenofibromas of the kidney are typically solitary, partially cystic masses. They are composed of nodules of epithelium identical to metanephric adenoma
that are embedded in sheets of moderately cellular spindle cells. The borders of the tumour are typically ill-defined and irregular
Eble JE, Sauter G, Epstein JI, Sesterhenn IA (Eds.)
. There is no tendency for malignant progression and the prognosis is favourable.
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of the Urinary System and Male Genital Organs.
IARC Press: Lyon 2004