Difference between revisions of "Multicystic dysplastic kidney"
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*Most common cause of abdominal mass in newborns.<ref name=emed_mrd>URL: [http://emedicine.medscape.com/article/982560-overview http://emedicine.medscape.com/article/982560-overview]. Accessed on: 4 January 2012.</ref> | *Most common cause of abdominal mass in newborns.<ref name=emed_mrd>URL: [http://emedicine.medscape.com/article/982560-overview http://emedicine.medscape.com/article/982560-overview]. Accessed on: 4 January 2012.</ref> | ||
*May be unilateral or involve only part of a kidney.<ref name=Ref_Klatt237>{{Ref Klatt|237}}</ref> | *May be unilateral or involve only part of a kidney.<ref name=Ref_Klatt237>{{Ref Klatt|237}}</ref> | ||
*Usually not associated with a genetic syndrome.<ref name=pmid33252759/> | |||
Etiology: | Etiology: | ||
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==Gross== | ==Gross== | ||
*Kidney has multiple large cysts | *Kidney has multiple large cysts of differing sizes. | ||
*Normal renal pelvis is absent.<ref name=pmid33252759/> | |||
DDx: | DDx: | ||
| Line 30: | Line 32: | ||
Note: | Note: | ||
*Cysts do not communicate with one another.<ref name=pmid33252759>{{ | *Cysts do not communicate with one another.<ref name=pmid33252759>{{cite journal |authors=Meyers ML, Treece AL, Brown BP, Vemulakonda VM |title=Imaging of fetal cystic kidney disease: multicystic dysplastic kidney versus renal cystic dysplasia |journal=Pediatr Radiol |volume=50 |issue=13 |pages=1921–1933 |date=December 2020 |pmid=33252759 |doi=10.1007/s00247-020-04755-5 |url=}}</ref> | ||
==See also== | ==See also== | ||
Latest revision as of 17:18, 4 February 2025
Multicystic dysplastic kidney, abbreviated MCDK, is a cystic disease of the kidney. It is also known as multicystic renal dysplasia (abbreviated as MRD).[1]
General
- Most common cause of abdominal mass in newborns.[2]
- May be unilateral or involve only part of a kidney.[3]
- Usually not associated with a genetic syndrome.[4]
Etiology:
- Embryological malformation.[4]
- Normal development: renal collecting system forms when ureteric bud (which grows from cloaca) meets the renal blastema (the kidney parenchyma precursor).
- In MCDK ureteric bud and renal blastema fail to meet.
Gross
- Kidney has multiple large cysts of differing sizes.
- Normal renal pelvis is absent.[4]
DDx:
- ARPKD - has less variability of cyst size.
Images:
Microscopic
- Cystic spaces of variable size, lined by cuboidal cells.
- Fibrous stroma.
- Islands of cartilage.
Image:
Note:
- Cysts do not communicate with one another.[4]
See also
References
- ↑ Multicystic Dysplastic Kidney. National Institutes of Health (United States). URL: https://www.niddk.nih.gov/health-information/kidney-disease/children/multicystic-dysplastic-kidney]. Accessed on: 2025-Feb-04.
- ↑ URL: http://emedicine.medscape.com/article/982560-overview. Accessed on: 4 January 2012.
- ↑ 3.0 3.1 Klatt, Edward C. (2006). Robbins and Cotran Atlas of Pathology (1st ed.). Saunders. pp. 237. ISBN 978-1416002741.
- ↑ 4.0 4.1 4.2 4.3 4.4 Meyers ML, Treece AL, Brown BP, Vemulakonda VM (December 2020). "Imaging of fetal cystic kidney disease: multicystic dysplastic kidney versus renal cystic dysplasia". Pediatr Radiol 50 (13): 1921–1933. doi:10.1007/s00247-020-04755-5. PMID 33252759.