Renal medullary fibroma
Encyclopedia
Renal medullary fibroma
, also renomedullary interstitial cell
tumour and medullary fibroma, is a benign kidney
tumour. It is commonly an incidental
finding.
.
They consist of bland spindle-shaped or stellate-shaped cells in a loose stroma
. Renal tubules may be entrapped.
Fibroma
Fibromas are benign tumors that are composed of fibrous or connective tissue. They can grow in all organs, arising from mesenchyme tissue. The term "fibroblastic" or "fibromatous" is used to describe tumors of the fibrous connective tissue...
, also renomedullary interstitial cell
Interstitial cell
Interstitial cell refers to any one of a number of different types of cells characterized by their interstitial nature Examples include:...
tumour and medullary fibroma, is a benign kidney
Kidney
The kidneys, organs with several functions, serve essential regulatory roles in most animals, including vertebrates and some invertebrates. They are essential in the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acid–base balance, and...
tumour. It is commonly an incidental
Incidentaloma
In medicine, an incidentaloma is a tumor found by coincidence without clinical symptoms or suspicion. It is a common problem: up to 7% of all patients over 60 may harbor a benign growth, often of the adrenal gland, which is detected when diagnostic imaging is used for the analysis of unrelated...
finding.
Diagnosis
Renal medullary fibromas are diagnosed by pathologists based on the examination of tissueTissue (biology)
Tissue is a cellular organizational level intermediate between cells and a complete organism. A tissue is an ensemble of cells, not necessarily identical, but from the same origin, that together carry out a specific function. These are called tissues because of their identical functioning...
.
They consist of bland spindle-shaped or stellate-shaped cells in a loose stroma
Stroma
Stroma may refer to:*Stroma , the connective, functionally supportive framework of a biological cell, tissue, or organ**Stroma of ovary, a soft tissue, well supplied with blood, consisting of spindle-shaped cells with a small amount of connective tissue**Stroma of iris, fibres and cells in the...
. Renal tubules may be entrapped.