Difference between revisions of "Papillary renal cell carcinoma"

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| Caption    = Papillary renal cell carcinoma. [[H&E stain]].
| Caption    = Papillary renal cell carcinoma. [[H&E stain]].
| Micro      = cuboidal or low columnar cells (simple or pseudostratified) on papillae, interstitial foam cells in the vascular cores
| Micro      = cuboidal or low columnar cells (simple or pseudostratified) on papillae, interstitial foam cells in the vascular cores
| Subtypes  = type 1, type 2, oncocytic variant
| Subtypes  = no ''World Health Organization'' recognized subtypes; defunct subtypes: "type 1" and "type 2", oncocytic variant
| LMDDx      = [[clear cell renal cell carcinoma]], [[clear cell papillary renal cell carcinoma]], [[metanephric adenoma]] (esp. solid PaRCC type 1), [[collecting duct carcinoma]] (esp. PaRCC type 2), [[renal papillary adenoma]], [[acquired cystic disease-associated renal cell carcinoma]], [[urothelial carcinoma]], [[renal mucinous tubular and spindle cell carcinoma]]
| LMDDx      = [[clear cell renal cell carcinoma]], [[clear cell papillary renal cell carcinoma]], [[metanephric adenoma]] (esp. solid PaRCC type 1), [[collecting duct carcinoma]] (esp. PaRCC type 2), [[renal papillary adenoma]], [[acquired cystic disease-associated renal cell carcinoma]], [[urothelial carcinoma]], [[renal mucinous tubular and spindle cell carcinoma]], [[ALK translocation renal cell carcinoma]], [[Xp11 translocation renal cell carcinoma]]
| Stains    =
| Stains    =
| IHC        =
| IHC        =
| EM        =
| EM        =
| Molecular  =
| Molecular  = MET mutation (hereditary papillary renal cell carcinoma), FH mutation (hereditary leiomyomatosis and renal cell cancer)
| IF        =
| IF        =
| Gross      = may be multifocal, must be >0.5 cm (otherwise [[renal papillary adenoma]]), often necrotic-appearing (brown, soft, friable)
| Gross      = may be multifocal, must be >1.5 cm (if low ISUP grade), often necrotic-appearing (brown, soft, friable)
| Grossing  = [[total nephrectomy for tumour grossing]], [[partial nephrectomy grossing]]
| Grossing  = [[total nephrectomy for tumour grossing]], [[partial nephrectomy grossing]]
| Staging    = [[kidney cancer staging]]
| Staging    = [[kidney cancer staging]]
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==General==
==General==
*Often subclassified<ref name=Ref_GUP289>{{Ref GUP|289}}</ref> into ''type 1'' and ''type 2'' -- see ''microscopic''.
*Historically, PaRCC was subclassified<ref name=Ref_GUP289>{{Ref GUP|289}}</ref> into ''type 1'' and ''type 2''.
**Type 1 and Type 2 are different on a cytogenetic and molecular basis.<ref>{{Cite journal  | last1 = Klatte | first1 = T. | last2 = Pantuck | first2 = AJ. | last3 = Said | first3 = JW. | last4 = Seligson | first4 = DB. | last5 = Rao | first5 = NP. | last6 = LaRochelle | first6 = JC. | last7 = Shuch | first7 = B. | last8 = Zisman | first8 = A. | last9 = Kabbinavar | first9 = FF. | title = Cytogenetic and molecular tumor profiling for type 1 and type 2 papillary renal cell carcinoma. | journal = Clin Cancer Res | volume = 15 | issue = 4 | pages = 1162-9 | month = Feb | year = 2009 | doi = 10.1158/1078-0432.CCR-08-1229 | PMID = 19228721 }}</ref>
**Type 1 and Type 2 are different on a cytogenetic and molecular basis.<ref>{{Cite journal  | last1 = Klatte | first1 = T. | last2 = Pantuck | first2 = AJ. | last3 = Said | first3 = JW. | last4 = Seligson | first4 = DB. | last5 = Rao | first5 = NP. | last6 = LaRochelle | first6 = JC. | last7 = Shuch | first7 = B. | last8 = Zisman | first8 = A. | last9 = Kabbinavar | first9 = FF. | title = Cytogenetic and molecular tumor profiling for type 1 and type 2 papillary renal cell carcinoma. | journal = Clin Cancer Res | volume = 15 | issue = 4 | pages = 1162-9 | month = Feb | year = 2009 | doi = 10.1158/1078-0432.CCR-08-1229 | PMID = 19228721 }}</ref>
Note:
*The 2004 [[WHO]] GU (blue) book states that some pathologists report papillary renal cell carcinomas that are 0.5-2.0 cm as ''papillary epithelial neoplasm of low malignant potential''.<ref>{{Ref WHOGU|28}}</ref> ''Papillary epithelial neoplasm of low malignant potential'' should '''not''' be confused the similarly sounding papillary urothelial lesion (''[[papillary urothelial neoplasm of low malignant potential]]'').


===Epidemiology===
===Epidemiology===
*Associated with ''[[acquired renal cystic disease]]''.<ref name=Ref_DARP438>{{Ref DARP|438}}</ref>
*Associated with ''[[acquired renal cystic disease]]''.<ref name=Ref_DARP438>{{Ref DARP|438}}</ref>
*May be familial - uncommon.<ref name=pmid12629341>{{Cite journal  | last1 = Czene | first1 = K. | last2 = Hemminki | first2 = K. | title = Familial papillary renal cell tumors and subsequent cancers: a nationwide epidemiological study from Sweden. | journal = J Urol | volume = 169 | issue = 4 | pages = 1271-5 | month = Apr | year = 2003 | doi = 10.1097/01.ju.0000052373.36963.12 | PMID = 12629341 }}</ref>
*May be familial - uncommon.<ref name=pmid12629341>{{Cite journal  | last1 = Czene | first1 = K. | last2 = Hemminki | first2 = K. | title = Familial papillary renal cell tumors and subsequent cancers: a nationwide epidemiological study from Sweden. | journal = J Urol | volume = 169 | issue = 4 | pages = 1271-5 | month = Apr | year = 2003 | doi = 10.1097/01.ju.0000052373.36963.12 | PMID = 12629341 }}</ref>
**MET mutation<ref name=pmid22717761>{{Cite journal  | last1 = Wadt | first1 = KA. | last2 = Gerdes | first2 = AM. | last3 = Hansen | first3 = TV. | last4 = Toft | first4 = BG. | last5 = Friis-Hansen | first5 = L. | last6 = Andersen | first6 = MK. | title = Novel germline c-MET mutation in a family with hereditary papillary renal carcinoma. | journal = Fam Cancer | volume = 11 | issue = 3 | pages = 535-7 | month = Sep | year = 2012 | doi = 10.1007/s10689-012-9542-6 | PMID = 22717761 }}</ref> - autosomal dominant transmission, PaRCC type 1.
**MET mutation<ref name=pmid22717761>{{Cite journal  | last1 = Wadt | first1 = KA. | last2 = Gerdes | first2 = AM. | last3 = Hansen | first3 = TV. | last4 = Toft | first4 = BG. | last5 = Friis-Hansen | first5 = L. | last6 = Andersen | first6 = MK. | title = Novel germline c-MET mutation in a family with hereditary papillary renal carcinoma. | journal = Fam Cancer | volume = 11 | issue = 3 | pages = 535-7 | month = Sep | year = 2012 | doi = 10.1007/s10689-012-9542-6 | PMID = 22717761 }}</ref> - autosomal dominant transmission (previously ''PaRCC type 1'').


==Gross==
==Gross==
*Renal cortical mass > 0.5 cm.
*Renal cortical mass usually >1.5 cm.
*May be multifocal. ‡
*May be multifocal. ‡
*Often necrotic appearing - light-to-dark brown, soft/mushy, friable.
*Often necrotic appearing - light-to-dark brown, soft/mushy, friable.
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Size criterion:
Size criterion:
*Papillary lesions '''''must''''' be >0.5 cm to be called ''carcinoma''; smaller lesions (<=0.5 cm) are called ''[[renal papillary adenoma|papillary adenoma]]s''.<ref name=Ref_GUP288>{{Ref GUP|288}}</ref>
*Papillary lesions with low [[ISUP nucleolar grade|ISUP grade]] '''''must''''' be >1.5 cm to be called ''carcinoma''; smaller lesions (<=1.5 cm) with low ISUP grade are called ''[[renal papillary adenoma|papillary adenoma]]s''.<ref name=pmid26935559>{{Cite journal  | last1 = Moch | first1 = H. | last2 = Cubilla | first2 = AL. | last3 = Humphrey | first3 = PA. | last4 = Reuter | first4 = VE. | last5 = Ulbright | first5 = TM. | title = The 2016 WHO Classification of Tumours of the Urinary System and Male Genital Organs-Part A: Renal, Penile, and Testicular Tumours. | journal = Eur Urol | volume =  | issue =  | pages =  | month = Feb | year = 2016 | doi = 10.1016/j.eururo.2016.02.029 | PMID = 26935559 }}</ref><ref name=Ref_GUP288>{{Ref GUP|288}}</ref>


Mnemonic ''HIP'':  '''h'''ighly vascular, '''i'''nterstitial foam cells, '''p'''apillae.
Mnemonic ''HIP'':  '''h'''ighly vascular, '''i'''nterstitial foam cells, '''p'''apillae.
Note:
*† The [[diagnostic size cut-off]] in the 2004 [[WHO]] GU (blue) book was 0.5 cm.<ref name=pmid26935559/><ref>{{Ref WHOGU|28}}</ref>


DDx:
DDx:
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*[[Renal mucinous tubular and spindle cell carcinoma]].
*[[Renal mucinous tubular and spindle cell carcinoma]].
*[[Hereditary leiomyomatosis and renal cell carcinoma syndrome-associated renal cell carcinoma]] - for ''type 2 PaRCC''; CK7 -ve, prominent eosinophilic nucleoli.   
*[[Hereditary leiomyomatosis and renal cell carcinoma syndrome-associated renal cell carcinoma]] - for ''type 2 PaRCC''; CK7 -ve, prominent eosinophilic nucleoli.   
*[[ALK translocation renal cell carcinoma]].
*[[Mixed epithelial and stromal tumour]].<ref name=pmid31862520>{{cite journal |authors=Rogala J, Kojima F, Alaghehbandan R, Agaimy A, Martinek P, Ondic O, Ulamec M, Sperga M, Michalova K, Pivovarcikova K, Pitra T, Hora M, Ferak I, Marečková J, Michal M, Hes O |title=Papillary renal cell carcinoma with prominent spindle cell stroma - tumor mimicking mixed epithelial and stromal tumor of the kidney: Clinicopathologic, morphologic, immunohistochemical and molecular genetic analysis of 6 cases |journal=Ann Diagn Pathol |volume=44 |issue= |pages=151441 |date=February 2020 |pmid=31862520 |doi=10.1016/j.anndiagpath.2019.151441 |url=}}</ref>
*[[Papillary renal neoplasm with reverse polarity]] (PRNRP) - nuclei at luminal aspect of cell (rather than closer to the basement membrane).<ref name=pmid31135486>{{cite journal |authors=Al-Obaidy KI, Eble JN, Cheng L, Williamson SR, Sakr WA, Gupta N, Idrees MT, Grignon DJ |title=Papillary Renal Neoplasm With Reverse Polarity: A Morphologic, Immunohistochemical, and Molecular Study |journal=Am J Surg Pathol |volume=43 |issue=8 |pages=1099–1111 |date=August 2019 |pmid=31135486 |doi=10.1097/PAS.0000000000001288 |url=}}</ref>
**May be considered a subtype of papillary renal cell carcinoma (rather than a distinct entity).
*[[Xp11 translocation renal cell carcinoma]].


===Images===
===Images===
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===Histological subtyping===
===Histological subtyping===
Generally accepted subtypes:<ref name=Ref_GUP289>{{Ref GUP|289}}</ref><ref>{{Cite journal  | last1 = Delahunt | first1 = B. | last2 = Eble | first2 = JN. | title = Papillary renal cell carcinoma: a clinicopathologic and immunohistochemical study of 105 tumors. | journal = Mod Pathol | volume = 10 | issue = 6 | pages = 537-44 | month = Jun | year = 1997 | doi =  | PMID = 9195569 }}</ref>
Historically, PaRCC was subtyped:<ref name=Ref_GUP289>{{Ref GUP|289}}</ref><ref>{{Cite journal  | last1 = Delahunt | first1 = B. | last2 = Eble | first2 = JN. | title = Papillary renal cell carcinoma: a clinicopathologic and immunohistochemical study of 105 tumors. | journal = Mod Pathol | volume = 10 | issue = 6 | pages = 537-44 | month = Jun | year = 1997 | doi =  | PMID = 9195569 }}</ref>
*''Type 1'' - single layer of cells on basement membrane - '''most important'''.
*''Type 1'' - single layer of cells on basement membrane - '''most important'''.
** Usually low grade nuclear features, i.e. low [[ISUP nucleolar grade]].
** Usually low grade nuclear features, i.e. low [[ISUP nucleolar grade]].
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*** Foamy macrophages - uncommon.
*** Foamy macrophages - uncommon.
*** Cells larger.
*** Cells larger.
The WHO GU Blue Book 5th Ed. recommends against subtyping.


Another subtype:
Another subtype:
*''Oncocytic'' - oncocytic cytoplasm.
*''Oncocytic'' - oncocytic cytoplasm.
**Extremely rare ~ largest series is 12 cases.<ref name=pmid19494850 >{{Cite journal  | last1 = Srigley | first1 = JR. | last2 = Delahunt | first2 = B. | title = Uncommon and recently described renal carcinomas. | journal = Mod Pathol | volume = 22 Suppl 2 | issue =  | pages = S2-S23 | month = Jun | year = 2009 | doi = 10.1038/modpathol.2009.70 | PMID = 19494850 }}</ref>
**Extremely rare ~ a few dozen reported.<ref name=pmid19494850 >{{Cite journal  | last1 = Srigley | first1 = JR. | last2 = Delahunt | first2 = B. | title = Uncommon and recently described renal carcinomas. | journal = Mod Pathol | volume = 22 Suppl 2 | issue =  | pages = S2-S23 | month = Jun | year = 2009 | doi = 10.1038/modpathol.2009.70 | PMID = 19494850 }}</ref><ref name=pmid16730306>{{Cite journal  | last1 = Hes | first1 = O. | last2 = Brunelli | first2 = M. | last3 = Michal | first3 = M. | last4 = Cossu Rocca | first4 = P. | last5 = Hora | first5 = M. | last6 = Chilosi | first6 = M. | last7 = Mina | first7 = M. | last8 = Boudova | first8 = L. | last9 = Menestrina | first9 = F. | title = Oncocytic papillary renal cell carcinoma: a clinicopathologic, immunohistochemical, ultrastructural, and interphase cytogenetic study of 12 cases. | journal = Ann Diagn Pathol | volume = 10 | issue = 3 | pages = 133-9 | month = Jun | year = 2006 | doi = 10.1016/j.anndiagpath.2005.12.002 | PMID = 16730306 }}</ref>
***One "large" series was 14 cases.<ref name=pmid27931799>{{Cite journal  | last1 = Han | first1 = G. | last2 = Yu | first2 = W. | last3 = Chu | first3 = J. | last4 = Liu | first4 = Y. | last5 = Jiang | first5 = Y. | last6 = Li | first6 = Y. | last7 = Zhang | first7 = W. | title = Oncocytic papillary renal cell carcinoma: A clinicopathological and genetic analysis and indolent clinical course in 14 cases. | journal = Pathol Res Pract | volume = 213 | issue = 1 | pages = 1-6 | month = Jan | year = 2017 | doi = 10.1016/j.prp.2016.04.009 | PMID = 27931799 }}</ref>


==IHC==
==IHC==
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*CK7 +ve ~90% of type 1, 20% of type 2.
*CK7 +ve ~90% of type 1, 20% of type 2.
*CD10 +ve.<ref>[http://surgpathcriteria.stanford.edu/kidney/papillary-renal-cell-carcinoma/differential-diagnosis.html http://surgpathcriteria.stanford.edu/kidney/papillary-renal-cell-carcinoma/differential-diagnosis.html]. Accessed on: 6 May 2014.</ref>
*CD10 +ve.<ref>[http://surgpathcriteria.stanford.edu/kidney/papillary-renal-cell-carcinoma/differential-diagnosis.html http://surgpathcriteria.stanford.edu/kidney/papillary-renal-cell-carcinoma/differential-diagnosis.html]. Accessed on: 6 May 2014.</ref>
More reading:  
 
*[http://www.e-immunohistochemistry.info/web/Papillary_renal_cell_carcinoma.htm PaRCC (e-immunohistochemistry.info)].
Others:
*GATA3 +ve - oncocytic variant of PaRCC; negative in other PaRCC subtypes.<ref name=pmid28984673>{{cite journal |authors=Saleeb RM, Brimo F, Farag M, Rompré-Brodeur A, Rotondo F, Beharry V, Wala S, Plant P, Downes MR, Pace K, Evans A, Bjarnason G, Bartlett JMS, Yousef GM |title=Toward Biological Subtyping of Papillary Renal Cell Carcinoma With Clinical Implications Through Histologic, Immunohistochemical, and Molecular Analysis |journal=Am J Surg Pathol |volume=41 |issue=12 |pages=1618–1629 |date=December 2017 |pmid=28984673 |doi=10.1097/PAS.0000000000000962 |url=}}</ref>


Type 1 versus Type 2:<ref name=pmid9234615>{{Cite journal  | last1 = Ono | first1 = Y. | last2 = Ito | first2 = T. | last3 = Tsujino | first3 = S. | last4 = Aizawa | first4 = S. | last5 = Suzuki | first5 = M. | title = [A study of papillary renal cell carcinoma. Clinicopathological, immunohistochemical features and its typing]. | journal = Nihon Hinyokika Gakkai Zasshi | volume = 88 | issue = 6 | pages = 587-95 | month = Jun | year = 1997 | doi =  | PMID = 9234615 }}</ref>
Type 1 versus Type 2:<ref name=pmid9234615>{{Cite journal  | last1 = Ono | first1 = Y. | last2 = Ito | first2 = T. | last3 = Tsujino | first3 = S. | last4 = Aizawa | first4 = S. | last5 = Suzuki | first5 = M. | title = [A study of papillary renal cell carcinoma. Clinicopathological, immunohistochemical features and its typing]. | journal = Nihon Hinyokika Gakkai Zasshi | volume = 88 | issue = 6 | pages = 587-95 | month = Jun | year = 1997 | doi =  | PMID = 9234615 }}</ref>
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<pre>
<pre>
KIDNEY, RIGHT, RADICAL NEPHRECTOMY:
KIDNEY, RIGHT, RADICAL NEPHRECTOMY:
- PAPILLARY RENAL CELL CARCINOMA, TYPE 1, ISUP NUCLEOLAR GRADE 3, pT2a(2), pNx.
- PAPILLARY RENAL CELL CARCINOMA, WHO/ISUP NUCLEOLAR GRADE 3, pT2a(2), pNx.
-- SURGICAL MARGINS NEGATIVE.
-- SURGICAL MARGINS NEGATIVE.
-- PLEASE SEE TUMOUR SUMMARY.
-- PLEASE SEE TUMOUR SUMMARY.
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A second tumour with the same morphology is present and measures 8 millimetres.
A second tumour with the same morphology is present and measures 8 millimetres.


Multiple small lesions, like the largest tumour, less than 0.5 cm are present.
Multiple small lesions, like the largest tumour, less than 1.5 cm are present.


===Oncocytic variant===
===Oncocytic variant===
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KIDNEY, RIGHT, NEPHRECTOMY:
KIDNEY, RIGHT, NEPHRECTOMY:
- PAPILLARY RENAL CELL CARCINOMA, ONCOCYTIC -- SEE COMMENT;
- PAPILLARY RENAL CELL CARCINOMA, ONCOCYTIC -- SEE COMMENT;
- FUHRMANN GRADE 2;
- WHO/ISUP GRADE 2;
- SURGICAL MARGINS NEGATIVE;
- SURGICAL MARGINS NEGATIVE;
- PLEASE SEE TUMOUR SUMMARY.
- PLEASE SEE TUMOUR SUMMARY.

Latest revision as of 00:02, 20 March 2024

Papillary renal cell carcinoma
Diagnosis in short

Papillary renal cell carcinoma. H&E stain.

LM cuboidal or low columnar cells (simple or pseudostratified) on papillae, interstitial foam cells in the vascular cores
Subtypes no World Health Organization recognized subtypes; defunct subtypes: "type 1" and "type 2", oncocytic variant
LM DDx clear cell renal cell carcinoma, clear cell papillary renal cell carcinoma, metanephric adenoma (esp. solid PaRCC type 1), collecting duct carcinoma (esp. PaRCC type 2), renal papillary adenoma, acquired cystic disease-associated renal cell carcinoma, urothelial carcinoma, renal mucinous tubular and spindle cell carcinoma, ALK translocation renal cell carcinoma, Xp11 translocation renal cell carcinoma
Molecular MET mutation (hereditary papillary renal cell carcinoma), FH mutation (hereditary leiomyomatosis and renal cell cancer)
Gross may be multifocal, must be >1.5 cm (if low ISUP grade), often necrotic-appearing (brown, soft, friable)
Grossing notes total nephrectomy for tumour grossing, partial nephrectomy grossing
Staging kidney cancer staging
Site kidney - see kidney tumours

Associated Dx acquired renal cystic disease (end-stage renal disease)
Syndromes hereditary papillary renal cell carcinoma, hereditary leiomyomatosis and renal cell cancer

Prevalence relatively common
Clin. DDx other kidney tumours
Treatment surgical excision, ablation

Papillary renal cell carcinoma, abbreviated PRCC, PaRCC and papillary RCC, is the second most common type of renal cell carcinoma.

General

  • Historically, PaRCC was subclassified[1] into type 1 and type 2.
    • Type 1 and Type 2 are different on a cytogenetic and molecular basis.[2]

Epidemiology

Gross

  • Renal cortical mass usually >1.5 cm.
  • May be multifocal. ‡
  • Often necrotic appearing - light-to-dark brown, soft/mushy, friable.

Note:

  • ‡ Approximately 10% of PaRCCs are multifocal (based on a set of 5378 patients);[6] it is the renal tumour that is most commonly multifocal.

Microscopic

Features:[7]

  • Cuboidal or low columnar cell in papillae.
  • Interstitial foam cells in vascular cores - key feature.
    • Most sensitive and specific feature of PaRCC.[8]
  • Highly vascular.

Size criterion:

Mnemonic HIP: highly vascular, interstitial foam cells, papillae.

Note:

DDx:

Images

Histological subtyping

Historically, PaRCC was subtyped:[1][14]

  • Type 1 - single layer of cells on basement membrane - most important.
    • Usually low grade nuclear features, i.e. low ISUP nucleolar grade.
    • Other characteristics:
      • Clear cytoplasm.
      • Foamy macrophages - common.
      • Cells smaller.
  • Type 2 - pseudostratification of cells - most important.
    • Usually high grade nuclear features, i.e. high ISUP nucleolar grade.
    • Other characteristics:
      • Eosinophilic cytoplasm.
      • Foamy macrophages - uncommon.
      • Cells larger.

The WHO GU Blue Book 5th Ed. recommends against subtyping.

Another subtype:

  • Oncocytic - oncocytic cytoplasm.
    • Extremely rare ~ a few dozen reported.[15][16]
      • One "large" series was 14 cases.[17]

IHC

Features:[1]

  • AMACR +ve.
  • HMWCK (34betaE12) +ve.
  • Panker (AE1/AE3) +ve.
  • CK7 +ve ~90% of type 1, 20% of type 2.
  • CD10 +ve.[18]

Others:

  • GATA3 +ve - oncocytic variant of PaRCC; negative in other PaRCC subtypes.[19]

Type 1 versus Type 2:[20]

  • CK7:
    • Type 1 ~ 100%.
    • Type 2 ~ 19%.
  • CK19:
    • Type 1 ~ 100%.
    • Type 2 ~ 53%.

Metanephric adenoma vs. PaRCC type 1:[21]

  • AMACR +ve.
  • WT-1 -ve.
  • CD57 -ve.

Molecular

Features:[22]

  • Sporadic: trisomies 7, 16, 17.
  • Familial: trisomy 7.
    • Chromosome 7 = location of MET gene.

Note:

  • Not used for diagnosis.[23]

Sign out

Kidney Tumour, Left, Partial Nephrectomy: 
- PAPILLARY RENAL CELL CARCINOMA. 
-- Surgical margins NEGATIVE. 
-- ISUP nucleolar (Fuhrman) Grade 3. 
-- TNM stage: pT1a pNx. 
-- Please see tumour summary. 

Block letters

KIDNEY, RIGHT, RADICAL NEPHRECTOMY:
- PAPILLARY RENAL CELL CARCINOMA, WHO/ISUP NUCLEOLAR GRADE 3, pT2a(2), pNx.
-- SURGICAL MARGINS NEGATIVE.
-- PLEASE SEE TUMOUR SUMMARY.
- RENAL PAPILLARY ADENOMAS.

Micro

The sections show a tumour in the kidney with fibrovascular cores (papillae) that focally contain macrophages. Psammoma bodies are present. Siderophages are present.

The papillae predominantly have a single layer of tumour cells and the cytoplasm of the tumour cells is predominantly clear.

Nucleoli are visible focally with the 10x objective (ISUP nucleolar grade 3).

A second tumour with the same morphology is present and measures 8 millimetres.

Multiple small lesions, like the largest tumour, less than 1.5 cm are present.

Oncocytic variant

KIDNEY, RIGHT, NEPHRECTOMY:
- PAPILLARY RENAL CELL CARCINOMA, ONCOCYTIC -- SEE COMMENT;
- WHO/ISUP GRADE 2;
- SURGICAL MARGINS NEGATIVE;
- PLEASE SEE TUMOUR SUMMARY.

COMMENT:
The oncocytic variant of papillary renal cell carcinoma (RCC) is uncommon and not widely
recognized as a subtype of papillary RCC.  The prognostic significance of the oncocytic 
cytoplasm is uncertain.[1]  The histomorphology in this case is compatible with a type 1 
papillary RCC.

1. Ann Diagn Pathol. 2006 Jun;10(3):133-9.

See also

References

  1. 1.0 1.1 1.2 Zhou, Ming; Magi-Galluzzi, Cristina (2006). Genitourinary Pathology: A Volume in Foundations in Diagnostic Pathology Series (1st ed.). Churchill Livingstone. pp. 289. ISBN 978-0443066771.
  2. Klatte, T.; Pantuck, AJ.; Said, JW.; Seligson, DB.; Rao, NP.; LaRochelle, JC.; Shuch, B.; Zisman, A. et al. (Feb 2009). "Cytogenetic and molecular tumor profiling for type 1 and type 2 papillary renal cell carcinoma.". Clin Cancer Res 15 (4): 1162-9. doi:10.1158/1078-0432.CCR-08-1229. PMID 19228721.
  3. Fogo, Agnes B.; Kashgarian, Michael (2005). Diagnostic Atlas of Renal Pathology: A Companion to Brenner and Rector's The Kidney 7E (1st ed.). Saunders. pp. 438. ISBN 978-1416028710.
  4. Czene, K.; Hemminki, K. (Apr 2003). "Familial papillary renal cell tumors and subsequent cancers: a nationwide epidemiological study from Sweden.". J Urol 169 (4): 1271-5. doi:10.1097/01.ju.0000052373.36963.12. PMID 12629341.
  5. Wadt, KA.; Gerdes, AM.; Hansen, TV.; Toft, BG.; Friis-Hansen, L.; Andersen, MK. (Sep 2012). "Novel germline c-MET mutation in a family with hereditary papillary renal carcinoma.". Fam Cancer 11 (3): 535-7. doi:10.1007/s10689-012-9542-6. PMID 22717761.
  6. Siracusano, S.; Novara, G.; Antonelli, A.; Artibani, W.; Bertini, R.; Carini, M.; Carmignani, G.; Ciciliato, S. et al. (Dec 2012). "Prognostic role of tumour multifocality in renal cell carcinoma.". BJU Int 110 (11 Pt B): E443-8. doi:10.1111/j.1464-410X.2012.11121.x. PMID 22502873.
  7. Cotran, Ramzi S.; Kumar, Vinay; Fausto, Nelson; Nelso Fausto; Robbins, Stanley L.; Abbas, Abul K. (2005). Robbins and Cotran pathologic basis of disease (7th ed.). St. Louis, Mo: Elsevier Saunders. pp. 1017-8. ISBN 0-7216-0187-1.
  8. Granter SR, Perez-Atayde AR, Renshaw AA (October 1998). <303::AID-CNCR6>3.0.CO;2-7 "Cytologic analysis of papillary renal cell carcinoma". Cancer 84 (5): 303?8. PMID 9801205. http://dx.doi.org/10.1002/(SICI)1097-0142(19981025)84:5<303::AID-CNCR6>3.0.CO;2-7.
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