Difference between revisions of "Multilocular cystic renal neoplasm of low malignant potential"

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| Caption    =  
| Caption    =  
| Synonyms  = multilocular clear cell renal cell carcinoma, multilocular cystic renal cell neoplasm of low malignant potential (proposed name)
| Synonyms  = multilocular clear cell renal cell carcinoma, multilocular cystic renal cell carcinoma
| Micro      = thin septa with (polygonal) cells with a clear cytoplasm, fibrous capsule (surrounds tumour), +/-calcification
| Micro      = thin septa with (polygonal) cells with a clear cytoplasm, fibrous capsule (surrounds tumour), +/-calcification
| Subtypes  =
| Subtypes  =
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| Gross      = completely cystic - no solid components, well-circumscribed
| Gross      = completely cystic - no solid components, well-circumscribed
| Grossing  =
| Grossing  =
| Staging    = [[kidney cancer staging]]
| Site      = [[kidney]] - see ''[[kidney tumours]]''
| Site      = [[kidney]] - see ''[[kidney tumours]]''
| Assdx      =
| Assdx      =
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| Tx        =
| Tx        =
}}
}}
'''Multilocular cystic renal cell carcinoma''', abbreviated '''MCRCC''', is a rare [[kidney tumour]].
'''Multilocular cystic renal neoplasm of low malignant potential''' is a rare [[kidney tumour]].


It is also known as '''multilocular clear cell renal cell carcinoma'''.<ref name=pmid23798872>{{Cite journal  | last1 = Chowdhury | first1 = AR. | last2 = Chakraborty | first2 = D. | last3 = Bhattacharya | first3 = P. | last4 = Dey | first4 = RK. | title = Multilocular cystic renal cell carcinoma a diagnostic dilemma: A case report in a 30-year-old woman. | journal = Urol Ann | volume = 5 | issue = 2 | pages = 119-21 | month = Apr | year = 2013 | doi = 10.4103/0974-7796.110012 | PMID = 23798872 }}</ref>
It is also known as '''multilocular clear cell renal cell carcinoma''',<ref name=pmid23798872>{{Cite journal  | last1 = Chowdhury | first1 = AR. | last2 = Chakraborty | first2 = D. | last3 = Bhattacharya | first3 = P. | last4 = Dey | first4 = RK. | title = Multilocular cystic renal cell carcinoma a diagnostic dilemma: A case report in a 30-year-old woman. | journal = Urol Ann | volume = 5 | issue = 2 | pages = 119-21 | month = Apr | year = 2013 | doi = 10.4103/0974-7796.110012 | PMID = 23798872 }}</ref> '''multicystic renal cell neoplasm of low malignant potential'''<ref>{{Ref DDxSPGU|200}}</ref> and '''multilocular cystic renal cell carcinoma''' (abbreviated '''MCRCC''').


As the behaviour of the tumour is very good, it has be proposed that this entity be renamed '''multilocular cystic renal cell neoplasm of low malignant potential'''.<ref name=pmid23893851>{{Cite journal  | last1 = Montironi | first1 = R. | last2 = Mazzucchelli | first2 = R. | last3 = Scarpelli | first3 = M. | last4 = Lopez-Beltran | first4 = A. | last5 = Cheng | first5 = L. | title = Update on selected renal cell tumors with clear cell features. With emphasis on multilocular cystic clear cell renal cell carcinoma. | journal = Histol Histopathol | volume = 28 | issue = 12 | pages = 1555-66 | month = Dec | year = 2013 | doi =  | PMID = 23893851 }}</ref>
As the behaviour of the tumour is very good,<ref name=pmid23893851>{{Cite journal  | last1 = Montironi | first1 = R. | last2 = Mazzucchelli | first2 = R. | last3 = Scarpelli | first3 = M. | last4 = Lopez-Beltran | first4 = A. | last5 = Cheng | first5 = L. | title = Update on selected renal cell tumors with clear cell features. With emphasis on multilocular cystic clear cell renal cell carcinoma. | journal = Histol Histopathol | volume = 28 | issue = 12 | pages = 1555-66 | month = Dec | year = 2013 | doi =  | PMID = 23893851 }}</ref> ''carcinoma'' was replaced with ''neoplasm of low malignant potential''.


'''Multicystic renal cell neoplasm of low malignant potential'''<ref>{{Ref DDxSPGU|200}}</ref> redirects here.


==General==
==General==
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*Cystic [[clear cell renal cell carcinoma]].
*Cystic [[clear cell renal cell carcinoma]].
*[[Tubulocystic carcinoma]].
*[[Tubulocystic carcinoma]].
*[[Cystic hygroma]].


===Images===
===Images===
www:
www:
*[http://www.archivesofpathology.org/action/showFullPopup?id=i1543-2165-135-3-290b-f01&doi=10.1043%2F2010-0243-LE.1 MCRCC (archivesofpathology.org)].<ref name=pmid23798872/>
*[http://www.archivesofpathology.org/action/showFullPopup?id=i1543-2165-135-3-290b-f01&doi=10.1043%2F2010-0243-LE.1 MCRNLMP (archivesofpathology.org)].<ref name=pmid23798872/>
*[http://www.karger.com/Article/ShowPic/365201?image=000365201_f03.JPG MCRCC - low mag. (karger.com)].<ref name=pmid25171490/>
*[http://www.karger.com/Article/ShowPic/365201?image=000365201_f03.JPG MCRNLMP - low mag. (karger.com)].<ref name=pmid25171490/>
*[http://www.karger.com/Article/ShowPic/365201?image=000365201_f04.JPG MCRCC - high mag. (karger.com)].<ref name=pmid25171490>{{Cite journal  | last1 = Tantisattamo | first1 = E. | last2 = Elam | first2 = A. | last3 = Cobb | first3 = J. | last4 = Ellis | first4 = CL. | last5 = Bailey | first5 = JL. | title = No tumor-free waiting period after treatment of multilocular cystic renal cell carcinoma: a new case and review of the literature. | journal = Am J Nephrol | volume = 40 | issue = 2 | pages = 151-6 | month =  | year = 2014 | doi = 10.1159/000365201 | PMID = 25171490 }}</ref>
*[http://www.karger.com/Article/ShowPic/365201?image=000365201_f04.JPG MCRNLMP - high mag. (karger.com)].<ref name=pmid25171490>{{Cite journal  | last1 = Tantisattamo | first1 = E. | last2 = Elam | first2 = A. | last3 = Cobb | first3 = J. | last4 = Ellis | first4 = CL. | last5 = Bailey | first5 = JL. | title = No tumor-free waiting period after treatment of multilocular cystic renal cell carcinoma: a new case and review of the literature. | journal = Am J Nephrol | volume = 40 | issue = 2 | pages = 151-6 | month =  | year = 2014 | doi = 10.1159/000365201 | PMID = 25171490 }}</ref>


==IHC==
==IHC==
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Note:
Note:
*Immunoprofile overlaps with [[CCRCC]].<ref name=pmid22982885>{{Cite journal  | last1 = Williamson | first1 = SR. | last2 = Halat | first2 = S. | last3 = Eble | first3 = JN. | last4 = Grignon | first4 = DJ. | last5 = Lopez-Beltran | first5 = A. | last6 = Montironi | first6 = R. | last7 = Tan | first7 = PH. | last8 = Wang | first8 = M. | last9 = Zhang | first9 = S. | title = Multilocular cystic renal cell carcinoma: similarities and differences in immunoprofile compared with clear cell renal cell carcinoma. | journal = Am J Surg Pathol | volume = 36 | issue = 10 | pages = 1425-33 | month = Oct | year = 2012 | doi = 10.1097/PAS.0b013e31825b37f0 | PMID = 22982885 }}</ref>
*Immunoprofile overlaps with [[CCRCC]].<ref name=pmid22982885>{{Cite journal  | last1 = Williamson | first1 = SR. | last2 = Halat | first2 = S. | last3 = Eble | first3 = JN. | last4 = Grignon | first4 = DJ. | last5 = Lopez-Beltran | first5 = A. | last6 = Montironi | first6 = R. | last7 = Tan | first7 = PH. | last8 = Wang | first8 = M. | last9 = Zhang | first9 = S. | title = Multilocular cystic renal cell carcinoma: similarities and differences in immunoprofile compared with clear cell renal cell carcinoma. | journal = Am J Surg Pathol | volume = 36 | issue = 10 | pages = 1425-33 | month = Oct | year = 2012 | doi = 10.1097/PAS.0b013e31825b37f0 | PMID = 22982885 }}</ref>
==Sign out==
<pre>
Kidney Mass, Right, Partial Nephrectomy:
    - Multilocular cystic renal neoplasm of low malignant potential, see comment and microscopic.
Comment:
This lesion is generally believed to have a benign behaviour.
</pre>
===Micro===
The cyst lining cells are clear and eosinophilic and without prominent nucleoli. Cyst lining cells do not infiltrate the cyst wall. Benign remnants of renal parenchyma are not evident throughout the cyst walls. This lesion is both within the kidney and perinephric fat.


==See also==
==See also==

Latest revision as of 13:06, 5 June 2017

Multilocular cystic renal neoplasm of low malignant potential
Diagnosis in short
Synonyms multilocular clear cell renal cell carcinoma, multilocular cystic renal cell carcinoma
LM thin septa with (polygonal) cells with a clear cytoplasm, fibrous capsule (surrounds tumour), +/-calcification
LM DDx cystic renal disease with macrophages in the septa, cystic clear cell renal cell carcinoma, tubulocystic carcinoma
Gross completely cystic - no solid components, well-circumscribed
Staging kidney cancer staging
Site kidney - see kidney tumours
Prevalence rare (case reports)
Prognosis very good
Clin. DDx other cystic renal tumours (e.g. cystic clear cell renal cell carcinoma), cystic renal disease

Multilocular cystic renal neoplasm of low malignant potential is a rare kidney tumour.

It is also known as multilocular clear cell renal cell carcinoma,[1] multicystic renal cell neoplasm of low malignant potential[2] and multilocular cystic renal cell carcinoma (abbreviated MCRCC).

As the behaviour of the tumour is very good,[3] carcinoma was replaced with neoplasm of low malignant potential.


General

Gross

Features:[4]

  • Completely cystic with thin septa.
    • No solid nodules - required for diagnosis.[7]
  • Well circumscribed.

Note:

  • This tumour, radiologically, can often be separated from other cystic tumours.[8]

Microscopic

Features:[4][7]

  • Thin septa with (polygonal) cells with a clear cytoplasm - required.
  • Fibrous capsule (surrounds tumour) - required.
  • +/-Calcification (common).

DDx:

Images

www:

IHC

  • EMA +ve.
  • Keratins +ve.
  • CD68 -ve.

Note:

Sign out

Kidney Mass, Right, Partial Nephrectomy:
     - Multilocular cystic renal neoplasm of low malignant potential, see comment and microscopic.

Comment: 
This lesion is generally believed to have a benign behaviour.

Micro

The cyst lining cells are clear and eosinophilic and without prominent nucleoli. Cyst lining cells do not infiltrate the cyst wall. Benign remnants of renal parenchyma are not evident throughout the cyst walls. This lesion is both within the kidney and perinephric fat.

See also

References

  1. ↑ 1.0 1.1 Chowdhury, AR.; Chakraborty, D.; Bhattacharya, P.; Dey, RK. (Apr 2013). "Multilocular cystic renal cell carcinoma a diagnostic dilemma: A case report in a 30-year-old woman.". Urol Ann 5 (2): 119-21. doi:10.4103/0974-7796.110012. PMID 23798872.
  2. ↑ Epstein, Jonathan I.; Netto, George J. (2014). Differential Diagnoses in Surgical Pathology: Genitourinary System (1st ed.). Wolters Kluwer. pp. 200. ISBN 978-1451189582.
  3. ↑ Montironi, R.; Mazzucchelli, R.; Scarpelli, M.; Lopez-Beltran, A.; Cheng, L. (Dec 2013). "Update on selected renal cell tumors with clear cell features. With emphasis on multilocular cystic clear cell renal cell carcinoma.". Histol Histopathol 28 (12): 1555-66. PMID 23893851.
  4. ↑ 4.0 4.1 4.2 Humphrey, Peter A; Dehner, Louis P; Pfeifer, John D (2008). The Washington Manual of Surgical Pathology (1st ed.). Lippincott Williams & Wilkins. pp. 292. ISBN 978-0781765275.
  5. ↑ Agarwal, S.; Agrawal, U.; Mohanty, NK.; Saxena, S. (Mar 2011). "Multilocular cystic renal cell carcinoma: a case report of a rare entity.". Arch Pathol Lab Med 135 (3): 290-2. doi:10.1043/2010-0243-LE.1. PMID 21366448.
  6. ↑ Halat, S.; Eble, JN.; Grignon, DJ.; Lopez-Beltran, A.; Montironi, R.; Tan, PH.; Wang, M.; Zhang, S. et al. (Jul 2010). "Multilocular cystic renal cell carcinoma is a subtype of clear cell renal cell carcinoma.". Mod Pathol 23 (7): 931-6. doi:10.1038/modpathol.2010.78. PMID 20348877.
  7. ↑ 7.0 7.1 Eble, JN.; Bonsib, SM. (Feb 1998). "Extensively cystic renal neoplasms: cystic nephroma, cystic partially differentiated nephroblastoma, multilocular cystic renal cell carcinoma, and cystic hamartoma of renal pelvis.". Semin Diagn Pathol 15 (1): 2-20. PMID 9503503.
  8. ↑ You, D.; Shim, M.; Jeong, IG.; Song, C.; Kim, JK.; Ro, JY.; Hong, JH.; Ahn, H. et al. (Jul 2011). "Multilocular cystic renal cell carcinoma: clinicopathological features and preoperative prediction using multiphase computed tomography.". BJU Int. doi:10.1111/j.1464-410X.2011.10247.x. PMID 21722289.
  9. ↑ Epstein, Jonathan I.; Netto, George J. (2014). Differential Diagnoses in Surgical Pathology: Genitourinary System (1st ed.). Wolters Kluwer. pp. 197. ISBN 978-1451189582.
  10. ↑ 10.0 10.1 Tantisattamo, E.; Elam, A.; Cobb, J.; Ellis, CL.; Bailey, JL. (2014). "No tumor-free waiting period after treatment of multilocular cystic renal cell carcinoma: a new case and review of the literature.". Am J Nephrol 40 (2): 151-6. doi:10.1159/000365201. PMID 25171490.
  11. ↑ Williamson, SR.; Halat, S.; Eble, JN.; Grignon, DJ.; Lopez-Beltran, A.; Montironi, R.; Tan, PH.; Wang, M. et al. (Oct 2012). "Multilocular cystic renal cell carcinoma: similarities and differences in immunoprofile compared with clear cell renal cell carcinoma.". Am J Surg Pathol 36 (10): 1425-33. doi:10.1097/PAS.0b013e31825b37f0. PMID 22982885.
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