Light chain proximal tubulopathy with lambda restriction presenting as acute kidney injury

Monoclonal gammopathies can produce a variety of glomerular, tubular, vascular and interstitial lesions. The spectrums of renal lesions produced by these monoclonal gammopathies include AL/AH amyloidosis, light chain cast nephropathy or myeloma kidney and various proximal tubulopathies. Out of these...

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Main Authors: Asha Thomas, Ram Prasad Elumalai, Barathi Gunabooshanam, Subalakshmi Balasubramanian, Jayakumar Matcha
Format: Article
Language:English
Published: Society of Diabetic Nephropathy Prevention 2021-07-01
Series:Journal of Nephropathology
Subjects:
Online Access:https://nephropathol.com/PDF/jnp-10-e35.pdf
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author Asha Thomas
Ram Prasad Elumalai
Barathi Gunabooshanam
Subalakshmi Balasubramanian
Jayakumar Matcha
author_facet Asha Thomas
Ram Prasad Elumalai
Barathi Gunabooshanam
Subalakshmi Balasubramanian
Jayakumar Matcha
author_sort Asha Thomas
collection DOAJ
description Monoclonal gammopathies can produce a variety of glomerular, tubular, vascular and interstitial lesions. The spectrums of renal lesions produced by these monoclonal gammopathies include AL/AH amyloidosis, light chain cast nephropathy or myeloma kidney and various proximal tubulopathies. Out of these, proximal tubule centered lesions are much less identified and diagnosed and light chain proximal tubulopathy (LCPT) is one among them. In LCPT the excess free light chains (mostly kappa type by immunofluorescence microscopy) in serum are filtered by the glomeruli and are reabsorbed by proximal tubules causing its damage. These monoclonal light chains when sequestered in the proximal tubules can give rise to crystalline and noncrystalline histological variants. Here we present a rare case of noncrystalline variant of LCPT with lambda light chain restriction who presented with renal insufficiency which on later investigations revealed to be multiple myeloma.
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spelling doaj.art-4364bca20b4d4b088fb4c1e9fa3e07d32023-05-13T11:24:47ZengSociety of Diabetic Nephropathy PreventionJournal of Nephropathology2251-83632251-88192021-07-01103e35e3510.34172/jnp.2021.35jnp-16066Light chain proximal tubulopathy with lambda restriction presenting as acute kidney injuryAsha Thomas0Ram Prasad Elumalai1Barathi Gunabooshanam2Subalakshmi Balasubramanian3Jayakumar Matcha4Department of Nephrology, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, IndiaDepartment of Nephrology, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, IndiaDepartment of Pathology, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, IndiaDepartment of Pathology, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, IndiaDepartment of Nephrology, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, IndiaMonoclonal gammopathies can produce a variety of glomerular, tubular, vascular and interstitial lesions. The spectrums of renal lesions produced by these monoclonal gammopathies include AL/AH amyloidosis, light chain cast nephropathy or myeloma kidney and various proximal tubulopathies. Out of these, proximal tubule centered lesions are much less identified and diagnosed and light chain proximal tubulopathy (LCPT) is one among them. In LCPT the excess free light chains (mostly kappa type by immunofluorescence microscopy) in serum are filtered by the glomeruli and are reabsorbed by proximal tubules causing its damage. These monoclonal light chains when sequestered in the proximal tubules can give rise to crystalline and noncrystalline histological variants. Here we present a rare case of noncrystalline variant of LCPT with lambda light chain restriction who presented with renal insufficiency which on later investigations revealed to be multiple myeloma.https://nephropathol.com/PDF/jnp-10-e35.pdflight chain proximal tubulopathylambda restrictionmultiple myeloma
spellingShingle Asha Thomas
Ram Prasad Elumalai
Barathi Gunabooshanam
Subalakshmi Balasubramanian
Jayakumar Matcha
Light chain proximal tubulopathy with lambda restriction presenting as acute kidney injury
Journal of Nephropathology
light chain proximal tubulopathy
lambda restriction
multiple myeloma
title Light chain proximal tubulopathy with lambda restriction presenting as acute kidney injury
title_full Light chain proximal tubulopathy with lambda restriction presenting as acute kidney injury
title_fullStr Light chain proximal tubulopathy with lambda restriction presenting as acute kidney injury
title_full_unstemmed Light chain proximal tubulopathy with lambda restriction presenting as acute kidney injury
title_short Light chain proximal tubulopathy with lambda restriction presenting as acute kidney injury
title_sort light chain proximal tubulopathy with lambda restriction presenting as acute kidney injury
topic light chain proximal tubulopathy
lambda restriction
multiple myeloma
url https://nephropathol.com/PDF/jnp-10-e35.pdf
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