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(→Acute pyelonephritis: fix sp.) |
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*'''A'''ging, '''D'''iabetes, '''H'''ypertension, '''D'''rugs. | *'''A'''ging, '''D'''iabetes, '''H'''ypertension, '''D'''rugs. | ||
Image | =====Image===== | ||
<gallery> | |||
Image:Renal_arterial_hyalinosis_-_he_-_very_high_mag.jpg | Arterial hyaline - HE - very high mag. (WC/Nephron) | |||
Image:Renal_arterial_hyalinosis_-_pas_-_very_high_mag.jpg | Arterial hyaline - PAS - very high mag. (WC/Nephron) | |||
Image:Renal_arterial_hyalinosis_-_hps_-_very_high_mag.jpg | Arterial hyaline - HPS - very high mag. (WC/Nephron) | |||
</gallery> | |||
====Atherosclerosis==== | ====Atherosclerosis==== | ||
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| diffuse proliferative GN, membranous nephropathy | | diffuse proliferative GN, membranous nephropathy | ||
| [[diabetic nephropathy]], [[idiopathic nodular glomerulosclerosis]], [[renal amyloidosis]], light chain deposition disease, [[fibrillary glomerulopathy]], [[immunotactoid glomerulopathy]] | | [[diabetic nephropathy]], [[idiopathic nodular glomerulosclerosis]], [[renal amyloidosis]], light chain deposition disease, [[fibrillary glomerulopathy]], [[immunotactoid glomerulopathy]] | ||
| [ | | [[Image:Nodular_glomerulosclerosis.jpeg|thumb|center|150px|Nodular GS (WC)]] | ||
|- | |- | ||
|[[Membranous nephropathy]] (MN) | |[[Membranous nephropathy]] (MN) | ||
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| normal light microscopy, light chain deposition disease | | normal light microscopy, light chain deposition disease | ||
| [[hepatitis B]], [[hepatitis C]], carcinoma, NSAID toxicity, SLE, idiopathic (MN); light chain deposition disease ([[plasma cell neoplasm]]) | | [[hepatitis B]], [[hepatitis C]], carcinoma, NSAID toxicity, SLE, idiopathic (MN); light chain deposition disease ([[plasma cell neoplasm]]) | ||
| [ | | [[Image:Membranous_nephropathy_-_mpas_-_very_high_mag.jpg|thumb|center|150px|MN (WC)]] | ||
|- | |- | ||
|[[Focal segmental glomerulosclerosis]] | |[[Focal segmental glomerulosclerosis]] | ||
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| [[rapidly progressive glomerulonephritis]], nodular mesangial expansion | | [[rapidly progressive glomerulonephritis]], nodular mesangial expansion | ||
| primary FSGS, secondary FSGS ([[HIV]], [[IVDU]], [[obesity]], [[parvovirus B19]], [[Alport syndrome]] | | primary FSGS, secondary FSGS ([[HIV]], [[IVDU]], [[obesity]], [[parvovirus B19]], [[Alport syndrome]] | ||
| [ | | [[Image:Focal_segmental_glomerulosclerosis_-_high_mag.jpg|thumb|center|150px|FSGS (WC)]] | ||
|- | |- | ||
|Diffuse proliferative glomerulonephritis | |Diffuse proliferative glomerulonephritis | ||
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| nodular glomerulosclerosis | | nodular glomerulosclerosis | ||
| [[post-infectious glomerulonephritis]], [[MPGN]], [[dense deposit disease]], diffuse proliferative [[lupus nephritis]] (class IV), cryoglobulinemic GN | | [[post-infectious glomerulonephritis]], [[MPGN]], [[dense deposit disease]], diffuse proliferative [[lupus nephritis]] (class IV), cryoglobulinemic GN | ||
| [ | | [[Image:Membranoproliferative_glomerulonephritis_-_very_high_mag.jpg|thumb|center|150px|MPGN (WC)]] | ||
|- | |- | ||
|[[Rapidly progressive glomerulonephritis]] | |[[Rapidly progressive glomerulonephritis]] | ||
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| [[FSGS]], diffuse proliferative glomerulonephritis | | [[FSGS]], diffuse proliferative glomerulonephritis | ||
| [[AGBM]], [[post-infectious glomerulonephritis]], pauci-immune GN, immune complex diseases ([[lupus nephritis]], [[IgA nephropathy]], others) | | [[AGBM]], [[post-infectious glomerulonephritis]], pauci-immune GN, immune complex diseases ([[lupus nephritis]], [[IgA nephropathy]], others) | ||
| [ | | [[Image:Crescentic_glomerulonephritis_%282%29.jpg|thumb|center|150px|Crescentic GN (WC)]] | ||
|- | |- | ||
|Tubular injury | |Tubular injury | ||
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| normal light microscopy | | normal light microscopy | ||
| [[acute tubular necrosis]], [[chronic allograft nephropathy]] | | [[acute tubular necrosis]], [[chronic allograft nephropathy]] | ||
| [ | | [[Image:Chronic_allograft_nephropathy_-_intermed_mag.jpg|thumb|center|150px|CAN (WC)]] | ||
|- | |- | ||
|Small vessel pathology | |Small vessel pathology | ||
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| none | | none | ||
| [[thrombotic microangiopathy]] (malignant hypertension, [[scleroderma]] renal crisis, DIC, HUS, TTP, | | [[thrombotic microangiopathy]] (malignant hypertension, [[scleroderma]] renal crisis, DIC, HUS, TTP, | ||
| [ | | [[Image:Renal_arterial_hyalinosis_-_pas_-_very_high_mag.jpg |thumb|center|100px| Hyalinosis (WC)]] [[Image:Thrombotic_microangiopathy_-_very_high_mag.jpg|thumb|center|150px| TMA (WC)]] | ||
|- | |- | ||
|Large vessel pathology | |Large vessel pathology | ||
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| none | | none | ||
| [[atherosclerosis]], [[cholesterol embolism]], other types of embolism, [[thrombosis]] | | [[atherosclerosis]], [[cholesterol embolism]], other types of embolism, [[thrombosis]] | ||
| [ | | [[Image:Cholesterol_embolus_-_intermed_mag.jpg |thumb|center|150px| Cholesterol embolus (WC)]] | ||
|- <!-- | |- <!-- | ||
| Pattern | | Pattern | ||
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| [[diabetes mellitus]] (DM) | | [[diabetes mellitus]] (DM) | ||
| [[amyloidosis]], [[idiopathic nodular glomerulosclerosis]] (nodular GS without DM) | | [[amyloidosis]], [[idiopathic nodular glomerulosclerosis]] (nodular GS without DM) | ||
| [ | | [[Image:Nodular_glomerulosclerosis.jpeg|thumb|center|150px|Nodular GS (WC)]] | ||
|- | |- | ||
|[[Focal segmental glomerulosclerosis]] (FSGS) | |[[Focal segmental glomerulosclerosis]] (FSGS) | ||
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| primary FSGS, secondary FSGS ([[HIV]], [[IVDU]], obesity, [[parvovirus B19]], [[Alport syndrome]]); unresponsive to steroids, worse prognosis than MCD | | primary FSGS, secondary FSGS ([[HIV]], [[IVDU]], obesity, [[parvovirus B19]], [[Alport syndrome]]); unresponsive to steroids, worse prognosis than MCD | ||
| [[minimal change disease]] | | [[minimal change disease]] | ||
| [ | | [[Image:Focal_segmental_glomerulosclerosis_-_high_mag.jpg|thumb|center|150px|FSGS (WC)]] | ||
|- | |- | ||
|[[Membranous nephropathy]]<br>(AKA membranous GN) | |[[Membranous nephropathy]]<br>(AKA membranous GN) | ||
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| primary vs. secondary (Henoch-Schoenlein purpura) | | primary vs. secondary (Henoch-Schoenlein purpura) | ||
| [[RPGN]] | | [[RPGN]] | ||
| [ | | [[Image:Henoch-Sch%C3%B6nlein_nephritis_IgA_immunostaining.jpg|thumb|center|150px|HSN - IgA IHC (WC)]] | ||
|- | |- | ||
|[[Membranoproliferative glomerulonephritis]] (MPGN) | |[[Membranoproliferative glomerulonephritis]] (MPGN) | ||
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| [[SLE]], [[cryoglobulinemia]], [[hepatitis B]], [[hepatitis C]] | | [[SLE]], [[cryoglobulinemia]], [[hepatitis B]], [[hepatitis C]] | ||
| Pathol. DDx? | | Pathol. DDx? | ||
| [ | | [[Image:Membranoproliferative_glomerulonephritis_-_very_high_mag.jpg|thumb|center|MPGN (WC)]] | ||
|- | |- | ||
|[[Focal proliferative glomerosclerosis|Focal proliferative<br> glomerosclerosis]] (FPGS) | |[[Focal proliferative glomerosclerosis|Focal proliferative<br> glomerosclerosis]] (FPGS) | ||
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*GBM = ''thick '''G'''BM'', '''''b'''oth afferent & efferent artiole thickened'', '''''m'''esangial matrix expansion''. | *GBM = ''thick '''G'''BM'', '''''b'''oth afferent & efferent artiole thickened'', '''''m'''esangial matrix expansion''. | ||
Images | ====Images==== | ||
<gallery> | |||
Image:Nodular_glomerulosclerosis.jpeg | Nodular glomerulosclerosis. (WC) | |||
</gallery> | |||
www: | |||
*[http://library.med.utah.edu/WebPath/jpeg1/RENAL027.jpg Nodular GS (med.utah.edu)]. | *[http://library.med.utah.edu/WebPath/jpeg1/RENAL027.jpg Nodular GS (med.utah.edu)]. | ||
*[http://www.markwickmd.com/images/pages/armani_ebstein_lesion.jpg Armanni-Ebstein lesion (markwickmd.com)]. | *[http://www.markwickmd.com/images/pages/armani_ebstein_lesion.jpg Armanni-Ebstein lesion (markwickmd.com)]. | ||
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**Class IV is essentially a dead kidney - doesn't get biopsied. | **Class IV is essentially a dead kidney - doesn't get biopsied. | ||
Images | ====Images==== | ||
<gallery> | |||
Image:SLE_Nephritis_Pathology_Diagram.svg| SLE nephritis - schematic. (WC) | |||
</gallery> | |||
*Membranous lupus: | *Membranous lupus: | ||
**[http://www.flickr.com/photos/jian-hua_qiao_md/3989875425/in/set-72157622411941607 H&E (flickr.com)]. | **[http://www.flickr.com/photos/jian-hua_qiao_md/3989875425/in/set-72157622411941607 H&E (flickr.com)]. | ||
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*Diagnosis based on immunofluorescence (IgA+). | *Diagnosis based on immunofluorescence (IgA+). | ||
Images | ====Images==== | ||
*[http://library.med.utah.edu/WebPath/jpeg2/RENAL096.jpg IgA nephropathy (med.utah.edu)]. | *[http://library.med.utah.edu/WebPath/jpeg2/RENAL096.jpg IgA nephropathy (med.utah.edu)]. | ||
*[http://path.upmc.edu/cases/case96.html HSP (upmc.edu)]. | *[http://path.upmc.edu/cases/case96.html HSP (upmc.edu)]. | ||
<gallery> | |||
Image:Henoch-Sch%C3%B6nlein_nephritis_IgA_immunostaining.jpg | HSP - IgA IHC (WC) | |||
</gallery> | |||
====Scoring==== | ====Scoring==== | ||
IgA nephropathy can be scored using an assessment of '''m'''esangial proliferation, '''e'''ndocapillary proliferation, glomerulo'''s'''clerosis and '''t'''ubular atrophy and interstitial fibrosis (abbreviated ''MEST'').<ref>{{Cite journal | last1 = Coppo | first1 = R. | last2 = Cattran | first2 = D. | last3 = Roberts Ian | first3 = SD. | last4 = Troyanov | first4 = S. | last5 = Camilla | first5 = R. | last6 = Cook | first6 = T. | last7 = Feehally | first7 = J. | title = The new Oxford Clinico-Pathological Classification of IgA nephropathy. | journal = Prilozi | volume = 31 | issue = 1 | pages = 241-8 | month = Jul | year = 2010 | doi = | PMID = 20693944 }}</ref> | IgA nephropathy can be scored using an assessment of '''m'''esangial proliferation, '''e'''ndocapillary proliferation, glomerulo'''s'''clerosis and '''t'''ubular atrophy and interstitial fibrosis (abbreviated ''MEST'').<ref>{{Cite journal | last1 = Coppo | first1 = R. | last2 = Cattran | first2 = D. | last3 = Roberts Ian | first3 = SD. | last4 = Troyanov | first4 = S. | last5 = Camilla | first5 = R. | last6 = Cook | first6 = T. | last7 = Feehally | first7 = J. | title = The new Oxford Clinico-Pathological Classification of IgA nephropathy. | journal = Prilozi | volume = 31 | issue = 1 | pages = 241-8 | month = Jul | year = 2010 | doi = | PMID = 20693944 }}</ref> | ||
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*[[Nodular glomerulosclerosis]]. | *[[Nodular glomerulosclerosis]]. | ||
Images | ====Images==== | ||
<gallery> | |||
Image:Membranoproliferative_glomerulonephritis_-_intermed_mag.jpg | MPGN - intermed. mag. (WC/Nephron) | |||
Image:Membranoproliferative_glomerulonephritis_-_very_high_mag.jpg | MPGN - very high mag. (WC/Nephron) | |||
</gallery> | |||
*[http://path.upmc.edu/cases/case593.html MPGN - several images (upmc.edu)]. | *[http://path.upmc.edu/cases/case593.html MPGN - several images (upmc.edu)]. | ||
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*+/-[[Vasculitis]]. | *+/-[[Vasculitis]]. | ||
Images | ====Images==== | ||
<gallery> | |||
Image:Crescentic_glomerulonephritis_%282%29.jpg | RPGN (WC/KGH) | |||
Image:Crescentic_glomerulonephritis_%281%29.jpg | RPGN (WC/KGH) | |||
Image:Crescentic_glomerulonephritis_-_intermed_mag.jpg | RPGN - intermed. mag. (WC/Nephron) | |||
Image:Crescentic_glomerulonephritis_-_high_mag.jpg | RPGN - high mag. (WC/Nephron) | |||
</gallery> | |||
==Post-infectious glomerulonephritis== | ==Post-infectious glomerulonephritis== | ||
*Abbreviated ''PIGN''. | *Abbreviated ''PIGN''. | ||
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*[[Glomerular crescents]]. | *[[Glomerular crescents]]. | ||
Images | ====Images==== | ||
<gallery> | |||
Image:Post-infectious_glomerulonephritis_-_high_mag.jpg | Post-infectious GN - high mag. (WC/Nephron) | |||
Image:Post-infectious_glomerulonephritis_-_very_high_mag.jpg | Post-infectious GN - very high mag. (WC/Nephron) | |||
Image:Acute_Glomerulonephritis_Pathology_Diagram.svg | Post-infectious GN - schematic (WC/Nephron) | |||
</gallery> | |||
www: | |||
*[http://path.upmc.edu/cases/case671.html Post-infectious glomerulonephritis - several images (upmc.edu)]. | |||
===IF=== | ===IF=== | ||
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**Crescentic glomerulonephritis. | **Crescentic glomerulonephritis. | ||
Images | ====Images==== | ||
<gallery> | |||
Image:Crescentic_glomerulonephritis_-_intermed_mag.jpg | RPGN - intermed. mag. (WC/Nephron) | |||
Image:Crescentic_glomerulonephritis_-_high_mag.jpg | RPGN - high mag. (WC/Nephron) | |||
</gallery> | |||
www: | |||
*[http://path.upmc.edu/cases/case541.html AGBM disease - several images (upmc.edu)]. | |||
===IF=== | ===IF=== | ||
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**Macrophages (CD68 +ve). | **Macrophages (CD68 +ve). | ||
Images | =====Images===== | ||
www: | |||
*[http://www.kidneypathology.com/Imagenes/Amiloidosis%20y/MM.3.w.jpg Cast nephropathy in myeloma (kidneypathology.com)]. | |||
*[http://www.kidneypathology.com/Imagenes/Amiloidosis%20y/MM.5.w.jpg Cast nephropathy in myeloma - refractile crap (kidneypathology.com)]. | |||
<gallery> | |||
Image:Cast_nephropathy_-_high_mag.jpg | Myeloma cast nephropathy - high mag. (WC/Nephron) | |||
Image:Cast_nephropathy_-_2_cropped_-_very_high_mag.jpg | Myeloma cast nephropathy - cropped - very high mag. (WC/Nephron) | |||
</gallery> | |||
====Stains==== | ====Stains==== | ||
*Myeloma casts = PAS -ve. | *Myeloma casts = PAS -ve. | ||
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*[[Neutrophil]]s within the renal tubules and interstitium.<ref name=Ref_Sternberg5_1726>{{Ref Sternberg5|1726}}</ref> | *[[Neutrophil]]s within the renal tubules and interstitium.<ref name=Ref_Sternberg5_1726>{{Ref Sternberg5|1726}}</ref> | ||
Images | ====Images==== | ||
<gallery> | |||
Image:Acute_pyelonephritis_-_intermed_mag.jpg | Acute pyelonephritis - intermed. mag. (WC/Nephron) | |||
Image:Acute_pyelonephritis_-_2_-_high_mag.jpg | Acute pyelonephritis - high mag. (WC/Nephron) | |||
Image:Acute_pyelonephritis_-_2_-_very_high_mag.jpg | Acute pyelonephritis - very high mag. (WC/Nephron) | |||
</gallery> | |||
==Chronic pyelonephritis== | ==Chronic pyelonephritis== | ||
*''Reflux nephropathy'' is considered synonym in some sources.<ref name=Ref_Sternberg5_1728>{{Ref Sternberg5|1728}}</ref> | *''Reflux nephropathy'' is considered synonym in some sources.<ref name=Ref_Sternberg5_1728>{{Ref Sternberg5|1728}}</ref> |
edits