Difference between revisions of "Spleen"

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[[Image:Gray1188.png|thumb|300px|Spleen.]]
The '''spleen''' is a forgotten organ.
The '''spleen''' is a forgotten organ.


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*Red pulp - [[red blood cells]].
*Red pulp - [[red blood cells]].
*White pulp - white blood cells.
*White pulp - white blood cells.
*Marginal zone - between red pulp and white pulp.<ref>{{Ref WMSP|589}}</ref>
===Images===
<gallery>
Image:Splenic_hamartoma_-_very_low_mag.jpg | Normal spleen (left) and splenic hamartoma (right). H&E stain. (WC)
</gallery>
==Sign out==
===Micro===
Sections show unremarkable splenic parenchyma. The nodules of white pulp are well-spaced and have germinal center formation.  The red pulp has a normal vascularity and does not appear to be expanded.  No nuclear atypia is apparent.
=Gross pathology=
The [[grossing]] of the spleen is dealt with in [[splenectomy grossing]].
===Overview of classic gross findings===
{| class = "wikitable sortable"
! Terminology
! Etiology
! Description
! Other
|-
|Ruptured spleen
| trauma
| hemorrhagic, capsule disrupted
| possible assocations [[mononucleosis]], medical procedure - esp. colonoscopy,<ref name=pmid22889306>{{Cite journal  | last1 = Aubrey-Bassler | first1 = FK. | last2 = Sowers | first2 = N. | title = 613 cases of splenic rupture without risk factors or previously diagnosed disease: a systematic review. | journal = BMC Emerg Med | volume = 12 | issue = 1 | pages = 11 | month = Aug | year = 2012 | doi = 10.1186/1471-227X-12-11 | PMID = 22889306 }}</ref> others
|-
|"Lardaceous spleen"<ref name=Ref_Klatt91>{{Ref Klatt|91}}</ref>
| [[amyloidosis]]
| waxy, pale, grey
| also see ''sago spleen''
|-
|"Sago spleen"
| [[amyloidosis]]
| nodular, tapioca-like appearance
| also see lardaceous spleen
|-
|[[Splenic infarct]]
| vascular occulsion
| wedge shaped -- periphery
| -
|-
|}
Images:
*[http://www.pathguy.com/lectures/sagolard.gif Amyloidosis of the spleen - schematic (pathguy.com)].
*[http://commons.wikimedia.org/wiki/File:Tapioca_pudding-3.jpg Tapioca pudding (WC)].


=Splenic enlargement=
=Splenic enlargement=
*Portal hypertension (e.g. cirrhosis).
:''Splenomegaly'' redirects here.''
*Lymphoma:
*[[Portal hypertension]] (often due to [[cirrhosis]]).
**[[Hairy cell leukemia]].
*Lymphoma - see below.
**[[Splenic marginal zone lymphoma]].<ref name=pmid20350661>{{Cite journal  | last1 = Bennett | first1 = M. | last2 = Schechter | first2 = GP. | title = Treatment of splenic marginal zone lymphoma: splenectomy versus rituximab. | journal = Semin Hematol | volume = 47 | issue = 2 | pages = 143-7 | month = Apr | year = 2010 | doi = 10.1053/j.seminhematol.2010.01.004 | PMID = 20350661 }}</ref>
**Splenic diffuse red pulp small B cell lymphoma.<ref name=pmid20677173>{{cite journal |author=Baseggio L, Traverse-Glehen A, Callet-Bauchu E, ''et al.'' |title=Relevance of a scoring system including CD11c expression in the identification of splenic diffuse red pulp small B-cell lymphoma (SRPL) |journal=Hematol Oncol |volume=29 |issue=1 |pages=47–51 |year=2011 |month=March |pmid=20677173 |doi=10.1002/hon.957 |url=}}</ref>
*Mononucleosis ([[EBV]] infection).
*Mononucleosis ([[EBV]] infection).
*[[Hemophagocytic syndrome]].<ref name=pmid20127750>{{Cite journal  | last1 = Maakaroun | first1 = NR. | last2 = Moanna | first2 = A. | last3 = Jacob | first3 = JT. | last4 = Albrecht | first4 = H. | title = Viral infections associated with haemophagocytic syndrome. | journal = Rev Med Virol | volume = 20 | issue = 2 | pages = 93-105 | month = Mar | year = 2010 | doi = 10.1002/rmv.638 | PMID = 20127750 }}
*[[Hemophagocytic syndrome]].<ref name=pmid20127750>{{Cite journal  | last1 = Maakaroun | first1 = NR. | last2 = Moanna | first2 = A. | last3 = Jacob | first3 = JT. | last4 = Albrecht | first4 = H. | title = Viral infections associated with haemophagocytic syndrome. | journal = Rev Med Virol | volume = 20 | issue = 2 | pages = 93-105 | month = Mar | year = 2010 | doi = 10.1002/rmv.638 | PMID = 20127750 }}
</ref>
</ref>
==Lymphoid neoplasms of the spleen==
Lymphomas of the spleen in order of prevalence - in a series of 115 cases:<ref name=pmid22924843>{{Cite journal  | last1 = Shimizu-Kohno | first1 = K. | last2 = Kimura | first2 = Y. | last3 = Kiyasu | first3 = J. | last4 = Miyoshi | first4 = H. | last5 = Yoshida | first5 = M. | last6 = Ichikawa | first6 = R. | last7 = Niino | first7 = D. | last8 = Ohshima | first8 = K. | title = Malignant lymphoma of the spleen in Japan: a clinicopathological analysis of 115 cases. | journal = Pathol Int | volume = 62 | issue = 9 | pages = 577-82 | month = Sep | year = 2012 | doi = 10.1111/j.1440-1827.2012.02844.x | PMID = 22924843 }}</ref>
#[[Diffuse large B-cell lymphoma]] (DLBCL).
#[[Splenic marginal zone lymphoma]] (SMZL).<ref name=pmid20350661>{{Cite journal  | last1 = Bennett | first1 = M. | last2 = Schechter | first2 = GP. | title = Treatment of splenic marginal zone lymphoma: splenectomy versus rituximab. | journal = Semin Hematol | volume = 47 | issue = 2 | pages = 143-7 | month = Apr | year = 2010 | doi = 10.1053/j.seminhematol.2010.01.004 | PMID = 20350661 }}</ref>
#[[Follicular lymphoma]].
#Splenic B-cell lymphoma, unclassifiable.
#[[Peripheral T-cell lymphoma]], not otherwise specified.
Less common lymphoid neoplasms of the spleen:
*[[Hairy cell leukemia]].
*Splenic diffuse red pulp small B cell lymphoma.<ref name=pmid20677173>{{cite journal |author=Baseggio L, Traverse-Glehen A, Callet-Bauchu E, ''et al.'' |title=Relevance of a scoring system including CD11c expression in the identification of splenic diffuse red pulp small B-cell lymphoma (SRPL) |journal=Hematol Oncol |volume=29 |issue=1 |pages=47–51 |year=2011 |month=March |pmid=20677173 |doi=10.1002/hon.957 |url=}}</ref>
==DDx by compartment==
===White pulp malignant===
*[[Diffuse large B-cell lymphoma]].
*[[Splenic marginal zone lymphoma]].
*[[Follicular lymphoma]].
===Red pulp benign===
*[[Polycythemia rubra vera]] (AKA polycythemia vera).
*Outflow obstruction.
**[[Cirrhosis]].
**[[Budd-Chiari syndrome]] (AKA hepatic vein obstruction).
**Splenic vein thrombosis.
*[[Congestive heart failure]].
*[[Acute splenitis]].
===Red pulp malignant===
*[[Hairy cell leukemia]].
*Acute leukemia.<ref name=Ref_WMSP_596>{{Ref WMSP|596}}</ref>
*[[Hepatosplenic T-cell lymphoma]]<ref name=Ref_WMSP595>{{Ref WMSP|595}}</ref> (e.g. Hepatosplenic γδ T-cell lymphoma).


=Specific disorders=
=Specific disorders=
==Hyaloserositis==
==Splenic laceration==
*Properly referred to as ''hyaloserositis of the spleen''.
{{Main|Splenic laceration}}
*Capsule of the spleen is white - resembles sugar-coating; also known as ''sugar-coated spleen''.<ref>URL: [http://www.drugs.com/dict/sugar-coated-spleen.html http://www.drugs.com/dict/sugar-coated-spleen.html]. Accessed on: 1 September 2010.</ref>
*Importance: ''none'' - benign.


Image(s):
==Hyaloserositis of the spleen==
*[http://en.wikipedia.org/wiki/File:Spleen_hyaloserositis_-_intermed_mag.jpg Hyaloserositis (WC)].
*[[AKA]] ''sugar-coated spleen''.
===General===
*Benign.
*Common [[autopsy]] finding.
 
===Gross===
*Capsule of the spleen is white - resembles sugar-coating.<ref>URL: [http://www.drugs.com/dict/sugar-coated-spleen.html http://www.drugs.com/dict/sugar-coated-spleen.html]. Accessed on: 1 September 2010.</ref>
 
===Microscopic===
Features:
*Hyaline material adherent to splenic capsule.
**Hyaline material = pink acellular crap on a [[H&E stain]].
 
====Images====
<gallery>
Image:Spleen_hyaloserositis_-_intermed_mag.jpg | Hyaloserositis - intermed. mag. (WC)
Image:Spleen_hyaloserositis_-b-_high_mag.jpg | Hyaloserositis - high mag. (WC)
</gallery>


==Mononucleosis==
==Mononucleosis==
===General===
===General===
*[[EBV]] infection.
*[[EBV]] infection.
*Massive splenic enlargement.
*+/-Massive splenic enlargement.
 
Clinical:
*Monospot test +ve.


===Microscopic===
===Microscopic===
Features:
Features:
*Atypical lymphoid cells.
*Atypical lymphoid cells.
**Abundant basophilic cytoplasm.
**Cells indented by adjacent RBCs on blood smears.<ref name=utah_endo>URL: [http://library.med.utah.edu/WebPath/EXAM/IMGQUIZ/hpfrm.html http://library.med.utah.edu/WebPath/EXAM/IMGQUIZ/hpfrm.html]. Accessed on: 4 December 2011.</ref>


Images:
*[http://library.med.utah.edu/WebPath/jpeg5/HEME013.jpg Mononucleosis (med.utah.edu)].<ref name=utah_endo>URL: [http://library.med.utah.edu/WebPath/EXAM/IMGQUIZ/hpfrm.html http://library.med.utah.edu/WebPath/EXAM/IMGQUIZ/hpfrm.html]. Accessed on: 4 December 2011.</ref>
*[http://path.upmc.edu/cases/case37.html Mononucleosis - several images (upmc.edu)].


==Littoral cell angioma of the spleen==
===Flow cytometry===
*CD8 >>> CD4.<ref>URL: [http://path.upmc.edu/cases/case37/gross.html http://path.upmc.edu/cases/case37/gross.html]. Accessed on: 2 January 2012.</ref>
 
==Littoral cell angioma==
:For ''angioma'' see ''[[vascular malformations]]''.
:For ''angioma'' see ''[[vascular malformations]]''.
{{Main|Littoral cell angioma}}
==Splenic hamartoma==
{{Main|Splenic hamartoma}}
==Splenic infarct==
*[[AKA]] ''splenic [[infarct]]ion''.
*[[AKA]] ''infarction of the spleen''.
===General===
===General===
Features:<ref name=pmid15329769>{{Cite journal  | last1 = Tan | first1 = YM. | last2 = Chuah | first2 = KL. | last3 = Wong | first3 = WK. | title = Littoral cell angioma of the spleen. | journal = Ann Acad Med Singapore | volume = 33 | issue = 4 | pages = 524-6 | month = Jul | year = 2004 | doi =  | PMID = 15329769 | url=http://www.annals.edu.sg/pdf200408/V33N4p524.pdf }}</ref>
Classic textbook causes:<ref name=pmid20928991>{{Cite journal  | last1 = Lawrence | first1 = YR. | last2 = Pokroy | first2 = R. | last3 = Berlowitz | first3 = D. | last4 = Aharoni | first4 = D. | last5 = Hain | first5 = D. | last6 = Breuer | first6 = GS. | last7 = Osler | first7 = W. | title = Splenic infarction: an update on William Osler's observations. | journal = Isr Med Assoc J | volume = 12 | issue = 6 | pages = 362-5 | month = Jun | year = 2010 | doi =  | PMID = 20928991 | URL = http://www.ima.org.il/imaj/dynamic/web/ArtFromPubmed.asp?year=2010&month=06&page=362 }}</ref>
*Rare.
*Septic embolus due to [[bacterial endocarditis]].
*Benign.
*[[Sickle cell disease]].
 
Usual causes:<ref name=pmid20928991/>
*Hematologic malignancy.
*Intracardiac thrombus.
*Bacterial endocarditis.


Clinical:<ref name=pmid15329769/><ref name=pmid11547761>{{Cite journal  | last1 = Dascalescu | first1 = CM. | last2 = Wendum | first2 = D. | last3 = Gorin | first3 = NC. | title = Littoral-cell angioma as a cause of splenomegaly. | journal = N Engl J Med | volume = 345 | issue = 10 | pages = 772-3 | month = Sep | year = 2001 | doi = 10.1056/NEJM200109063451016 | PMID = 11547761 | url=http://www.nejm.org/doi/full/10.1056/NEJM200109063451016 }}</ref>
Clinical:<ref name=pmid20928991/>
*Pyrexia (fever), splenomegaly, weight loss, solitary hypodense lesion on imaging.
*Left upper quadrant pain ~ 1/3 of cases.
*Fever ~ 1/3 of cases.
*Leukocytosis ~ 1/2 of cases.


Note:
===Gross===
*''Littoral cells'' = line vascular channels of the red pulp.<ref name=pmid15329769/>
*Classically wedge-shaped; triangular on section.
**''Littoral'' = related to ''shore''.<ref>URL: [http://www.merriam-webster.com/dictionary/littoral http://www.merriam-webster.com/dictionary/littoral]. Accessed on: 24 July 2011.</ref><ref>URL: [http://dictionary.reference.com/browse/littoral http://dictionary.reference.com/browse/littoral]. Accessed on: 24 July 2011.</ref>
**The base of the triangle runs along the surface.
**The apex points to the obstructed vessel that lead to the infarct.


===Microscopic===
===Microscopic===
Features:<ref name=pmid15329769/>
:''See [[necrosis]]''.
*Anastoming, small vascular channels.
*Cystic spaces.
**May have papillary projections.<ref name=pmid11547761/>
 
Images:
*[http://www.webpathology.com/image.asp?n=5&Case=382 LCA - low mag. (webpathology.com)].
*[http://www.webpathology.com/image.asp?n=6&Case=382 LCA - high mag. (webpathology.com)].
*[http://commons.wikimedia.org/wiki/File:Littoral_cell_angioma_of_the_spleen_-_very_low_mag.jpg LCA - very low mag. (WC)].
*[http://commons.wikimedia.org/wiki/File:Littoral_cell_angioma_of_the_spleen_-_intermed_mag.jpg LCA - intermed. mag. (WC)].
*[http://commons.wikimedia.org/wiki/File:Littoral_cell_angioma_of_the_spleen_-_very_high_mag.jpg LCA - very high mag. (WC)].


=Weird stuff=
=Weird stuff=
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==Follicular dendritic cell tumour==
==Follicular dendritic cell tumour==
*[[AKA]] ''follicular dendritic cell sarcoma''.
*[[AKA]] ''follicular dendritic cell sarcoma''.
{{Main|Follicular dendritic cell sarcoma}}
==Hepatosplenic T-cell lymphoma==
*Abbreviated ''HSTL''.
===General===
===General===
*Very rare.
*Rare.
*Behave like a low-grade sarcoma.<ref name=pmid9606805>{{Cite journal  | last1 = Perez-Ordoñez | first1 = B. | last2 = Rosai | first2 = J. | title = Follicular dendritic cell tumor: review of the entity. | journal = Semin Diagn Pathol | volume = 15 | issue = 2 | pages = 144-54 | month = May | year = 1998 | doi =  | PMID = 9606805 }}</ref>
*Prognosis: poor.
*Reported association with [[Castleman disease]] (hyaline-vascular type).<ref name=pmid9606805/>
 
Subtypes:<ref name=webpath_HSTL/>
#''Hepatosplenic γδ T-cell lymphoma''.
#*May be written ''Hepatosplenic gamma/delta T-cell lymphoma''.
#''Hepatosplenic αβ T-cell lymphoma''.
#*May be written ''Hepatosplenic alpha/beta T-cell lymphoma''.
 
Clinical triad:
#Hepatosplenomegaly.
#Cytopenias ([[anemia]], thrombocytopenia).
#Sinusoidal tropism.


===Microscopic===
===Microscopic===
Features:<ref name=pmid9606805/>
Features:<ref name=Ref_WMSP595>{{Ref WMSP|595}}</ref><ref name=webpath_HSTL>URL: [http://www.webpathology.com/image.asp?case=378&n=15 http://www.webpathology.com/image.asp?case=378&n=15]. Accessed on: 22 December 2011.</ref>
*Oval or spindle-shaped cellular & nuclear morphology.
*Small cell lymphoma/Intermediate cell lymphoma.
*Variable architecture (sheets, fascicles, whorles, storiform pattern).
**+/-"Folded" nuclei.
*Nuclei:
 
**Small nucleoli.
DDx:
**Clear or dispersed chromatin.
*[[Hairy cell leukemia]].
*Multinucleated cells.
 
*Interspersed small lymphocytes.
Images:
*+/-Necrosis.
*[http://www.webpathology.com/image.asp?n=14&Case=378 HSTL - low mag. (webpathology.com)].
*+/-Marked nuclear atypia.
*[http://www.webpathology.com/image.asp?case=378&n=15 HSTL - high mag. (webpathology.com)].
*+/-Abundant mitoses.


===IHC===
===IHC===
Features:<ref name=pmid9606805/>
Features:<ref name=Ref_WMSP595>{{Ref WMSP|595}}</ref>
*CD21 +ve.  
*CD4 -ve.
*CD35 +ve.  
*CD8 -ve.
*Ki-M4p +ve  
*NK cell-associated antigens +ve:<ref name=pmid9191001/>
*Ki-FDRC1p +ve.
**[[CD56]],<ref name=pmid15458516>{{Cite journal  | last1 = Niitsu | first1 = N. | last2 = Kohri | first2 = M. | last3 = Togano | first3 = T. | last4 = Nakamine | first4 = H. | last5 = Nakamura | first5 = S. | last6 = Iwabuchi | first6 = K. | last7 = Higashihara | first7 = M. | title = Development of hepatosplenic gammadelta T-cell lymphoma with pancytopenia during early pregnancy: a case report and review of the literature. | journal = Eur J Haematol | volume = 73 | issue = 5 | pages = 367-71 | month = Nov | year = 2004 | doi = 10.1111/j.1600-0609.2004.00300.x | PMID = 15458516 }}</ref> CD11c, CD16.
*Vimentin +ve.
*Effector proteins +ve.<ref name=pmid9191001>{{Cite journal  | last1 = Salhany | first1 = KE. | last2 = Feldman | first2 = M. | last3 = Kahn | first3 = MJ. | last4 = Peritt | first4 = D. | last5 = Schretzenmair | first5 = RD. | last6 = Wilson | first6 = DM. | last7 = DiPaola | first7 = RS. | last8 = Glick | first8 = AD. | last9 = Kant | first9 = JA. | title = Hepatosplenic gammadelta T-cell lymphoma: ultrastructural, immunophenotypic, and functional evidence for cytotoxic T lymphocyte differentiation. | journal = Hum Pathol | volume = 28 | issue = 6 | pages = 674-85 | month = Jun | year = 1997 | doi =  | PMID = 9191001 }}</ref>
**Perforin, granzyme B, TIA-1, Fas ligand.
 
==Myelolipoma of the spleen==
{{Main|Myelolipoma}}
 
==Immune thrombocytopenic purpura==
{{Main|Immune thrombocytopenic purpura}}
Spleens are removed for this.


*S-100 +ve/-ve.
==Splenogonadal fusion==
*Muscle-specific actin +ve/-ve.
{{Main|Splenogonadal fusion}}
*EMA +ve/-ve.


=See also=
=See also=
Line 110: Line 239:


[[Category:Haematopathology]]
[[Category:Haematopathology]]
[[Category:Spleen]]

Latest revision as of 12:50, 7 September 2016

Spleen.

The spleen is a forgotten organ.

Normal histology

  • Capsule.
  • Red pulp - red blood cells.
  • White pulp - white blood cells.
  • Marginal zone - between red pulp and white pulp.[1]

Images

Sign out

Micro

Sections show unremarkable splenic parenchyma. The nodules of white pulp are well-spaced and have germinal center formation. The red pulp has a normal vascularity and does not appear to be expanded. No nuclear atypia is apparent.

Gross pathology

The grossing of the spleen is dealt with in splenectomy grossing.

Overview of classic gross findings

Terminology Etiology Description Other
Ruptured spleen trauma hemorrhagic, capsule disrupted possible assocations mononucleosis, medical procedure - esp. colonoscopy,[2] others
"Lardaceous spleen"[3] amyloidosis waxy, pale, grey also see sago spleen
"Sago spleen" amyloidosis nodular, tapioca-like appearance also see lardaceous spleen
Splenic infarct vascular occulsion wedge shaped -- periphery -

Images:

Splenic enlargement

Splenomegaly redirects here.

Lymphoid neoplasms of the spleen

Lymphomas of the spleen in order of prevalence - in a series of 115 cases:[5]

  1. Diffuse large B-cell lymphoma (DLBCL).
  2. Splenic marginal zone lymphoma (SMZL).[6]
  3. Follicular lymphoma.
  4. Splenic B-cell lymphoma, unclassifiable.
  5. Peripheral T-cell lymphoma, not otherwise specified.

Less common lymphoid neoplasms of the spleen:

DDx by compartment

White pulp malignant

Red pulp benign

Red pulp malignant

Specific disorders

Splenic laceration

Hyaloserositis of the spleen

  • AKA sugar-coated spleen.

General

Gross

  • Capsule of the spleen is white - resembles sugar-coating.[10]

Microscopic

Features:

  • Hyaline material adherent to splenic capsule.
    • Hyaline material = pink acellular crap on a H&E stain.

Images

Mononucleosis

General

  • EBV infection.
  • +/-Massive splenic enlargement.

Clinical:

  • Monospot test +ve.

Microscopic

Features:

  • Atypical lymphoid cells.
    • Abundant basophilic cytoplasm.
    • Cells indented by adjacent RBCs on blood smears.[11]

Images:

Flow cytometry

Littoral cell angioma

For angioma see vascular malformations.

Splenic hamartoma

Splenic infarct

General

Classic textbook causes:[13]

Usual causes:[13]

  • Hematologic malignancy.
  • Intracardiac thrombus.
  • Bacterial endocarditis.

Clinical:[13]

  • Left upper quadrant pain ~ 1/3 of cases.
  • Fever ~ 1/3 of cases.
  • Leukocytosis ~ 1/2 of cases.

Gross

  • Classically wedge-shaped; triangular on section.
    • The base of the triangle runs along the surface.
    • The apex points to the obstructed vessel that lead to the infarct.

Microscopic

See necrosis.

Weird stuff

  • Dendritic cell tumours.[8]
    • Interdigitating dendritic cell tumour.
    • Follicular dendritic cell tumour.

Follicular dendritic cell tumour

  • AKA follicular dendritic cell sarcoma.

Hepatosplenic T-cell lymphoma

  • Abbreviated HSTL.

General

  • Rare.
  • Prognosis: poor.

Subtypes:[14]

  1. Hepatosplenic γδ T-cell lymphoma.
    • May be written Hepatosplenic gamma/delta T-cell lymphoma.
  2. Hepatosplenic αβ T-cell lymphoma.
    • May be written Hepatosplenic alpha/beta T-cell lymphoma.

Clinical triad:

  1. Hepatosplenomegaly.
  2. Cytopenias (anemia, thrombocytopenia).
  3. Sinusoidal tropism.

Microscopic

Features:[9][14]

  • Small cell lymphoma/Intermediate cell lymphoma.
    • +/-"Folded" nuclei.

DDx:

Images:

IHC

Features:[9]

  • CD4 -ve.
  • CD8 -ve.
  • NK cell-associated antigens +ve:[15]
  • Effector proteins +ve.[15]
    • Perforin, granzyme B, TIA-1, Fas ligand.

Myelolipoma of the spleen

Immune thrombocytopenic purpura

Spleens are removed for this.

Splenogonadal fusion

See also

References

  1. Humphrey, Peter A; Dehner, Louis P; Pfeifer, John D (2008). The Washington Manual of Surgical Pathology (1st ed.). Lippincott Williams & Wilkins. pp. 589. ISBN 978-0781765275.
  2. Aubrey-Bassler, FK.; Sowers, N. (Aug 2012). "613 cases of splenic rupture without risk factors or previously diagnosed disease: a systematic review.". BMC Emerg Med 12 (1): 11. doi:10.1186/1471-227X-12-11. PMID 22889306.
  3. Klatt, Edward C. (2006). Robbins and Cotran Atlas of Pathology (1st ed.). Saunders. pp. 91. ISBN 978-1416002741.
  4. Maakaroun, NR.; Moanna, A.; Jacob, JT.; Albrecht, H. (Mar 2010). "Viral infections associated with haemophagocytic syndrome.". Rev Med Virol 20 (2): 93-105. doi:10.1002/rmv.638. PMID 20127750.
  5. Shimizu-Kohno, K.; Kimura, Y.; Kiyasu, J.; Miyoshi, H.; Yoshida, M.; Ichikawa, R.; Niino, D.; Ohshima, K. (Sep 2012). "Malignant lymphoma of the spleen in Japan: a clinicopathological analysis of 115 cases.". Pathol Int 62 (9): 577-82. doi:10.1111/j.1440-1827.2012.02844.x. PMID 22924843.
  6. Bennett, M.; Schechter, GP. (Apr 2010). "Treatment of splenic marginal zone lymphoma: splenectomy versus rituximab.". Semin Hematol 47 (2): 143-7. doi:10.1053/j.seminhematol.2010.01.004. PMID 20350661.
  7. Baseggio L, Traverse-Glehen A, Callet-Bauchu E, et al. (March 2011). "Relevance of a scoring system including CD11c expression in the identification of splenic diffuse red pulp small B-cell lymphoma (SRPL)". Hematol Oncol 29 (1): 47–51. doi:10.1002/hon.957. PMID 20677173.
  8. 8.0 8.1 Humphrey, Peter A; Dehner, Louis P; Pfeifer, John D (2008). The Washington Manual of Surgical Pathology (1st ed.). Lippincott Williams & Wilkins. pp. 596. ISBN 978-0781765275.
  9. 9.0 9.1 9.2 Humphrey, Peter A; Dehner, Louis P; Pfeifer, John D (2008). The Washington Manual of Surgical Pathology (1st ed.). Lippincott Williams & Wilkins. pp. 595. ISBN 978-0781765275.
  10. URL: http://www.drugs.com/dict/sugar-coated-spleen.html. Accessed on: 1 September 2010.
  11. 11.0 11.1 URL: http://library.med.utah.edu/WebPath/EXAM/IMGQUIZ/hpfrm.html. Accessed on: 4 December 2011.
  12. URL: http://path.upmc.edu/cases/case37/gross.html. Accessed on: 2 January 2012.
  13. 13.0 13.1 13.2 Lawrence, YR.; Pokroy, R.; Berlowitz, D.; Aharoni, D.; Hain, D.; Breuer, GS.; Osler, W. (Jun 2010). "Splenic infarction: an update on William Osler's observations.". Isr Med Assoc J 12 (6): 362-5. PMID 20928991.
  14. 14.0 14.1 URL: http://www.webpathology.com/image.asp?case=378&n=15. Accessed on: 22 December 2011.
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