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(102 Results)
Collapsing Glomerulopathy, APOL1, arkana laboratories, kidney disease, renal pathology
Twitter Poll

Twitter Poll (April 17, 2019)

ANSWER: D Collapsing glomerulopathy has been associated with certain infectious disease including HIV, Hepatitis C, HTLV-1, parvovirus B19, cytomegalovirus, tuberculosis,…

By Vanessa Moreno, MD
IgAN & Inflammatory Bowel Disease, Igan, arkana laboratories, renal pathology, nephropathology, chronic kidney disease
Twitter Poll

Twitter Poll (April 3, 2019)

ANSWER: C IgAN is the most frequent diagnosis seen in kidney biopsies from patients with renal failure and history of…

By Vanessa Moreno, MD
EXT1 Gene Mutation, EXT1, acute kidney injury, arkana Laboratories
Twitter Poll

Twitter Poll (March 7, 2019)

ANSWER: True The presence of multiple exostoses due to mutation of the EXT1 gene has been described in a family.…

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Endocapillary hypercellularity, arkana laboratories, twitter poll
Twitter Poll

Twitter Poll (February 27, 2019)

Answer: B “Endocapillary hypercellularity” is the new term recommended to be used instead of “endocapillary proliferation”. This is a more…

By Vanessa Moreno, MD
Antibody-Mediated Rejection, Twitter Poll, Arkana Laboratories
Twitter Poll

Twitter Poll (February 20, 2019)

ANSWER: B The findings are suspicious for active antibody-mediated rejection (ABMR), based on the presence of moderate glomerulitis (g2), severe…

By Vanessa Moreno, MD
Minimal change disease, twitter poll, arkana laboratories, renal pathology, kindey biopsy
Twitter Poll

Twitter Poll (February 6, 2019)

Answer: B Minimal change disease is the most common glomerular disease associated with thymoma. Classically, the solid tumors most commonly…

By Vanessa Moreno, MD

apolipoprotein IV (AAPOAIV) in the kidney
Twitter Poll

Twitter Poll (January 30, 2019)

ANSWER: B The medulla is the only compartment affected by AAPOAIV amyloidosis, sometimes with large amounts of amyloid. Glomeruli and…

By Vanessa Moreno, MD
CLL/SLL Patients, arkana laboratories,
Twitter Poll

Twitter Poll (January 23, 2019)

ANSWER: A Although glomerular disease in patients with CLL/SLL is less common, the most frequent patterns of glomerular injury seen…

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ABBA (Anti-Brush Border Antibody Disease), twitter poll, arkana laboratories, renal pathology
Twitter Poll

Twitter Poll (January 16, 2019)

ANSWER: B The target of the circulating ABBA autoantibodies is LDL receptor-related protein 2 (LRP2) also known as Megalin. ABBA…

By Vanessa Moreno, MD

DNAJB9 histo stain, renal pathology, arkana laboratories, pathology
Twitter Poll

Twitter Poll (January 9, 2019)

ANSWER: C- DNAJB9 DNAJB9 immunohistochemical (IHC) stain is a quick and inexpensive tool used to confirm the diagnosis of Fibrillary…

By Vanessa Moreno, MD
PAX2 and RET, renal pathology, Reduced Nephron
Twitter Poll

Twitter Poll (January 2, 2019)

ANSWER: B A reduced nephron number is associated with low birth weight, preterm birth, reduced kidney mass and size, short…

By Vanessa Moreno, MD
MGRS, Monoclonal gammopathy of renal significance, arkana laboratories, pathology of the kidney
Twitter Poll

Twitter Poll (December 7, 2018)

ANSWER: D MGRS was introduced to acknowledge a clonal plasma cell or B lymphocyte proliferation causing a renal lesion in…

By Vanessa Moreno, MD

juxtraglomerular apparatus
Twitter Poll

Twitter Poll (November 30, 2018)

ANSWER: D The cells of Goormaghtigh, AKA extraglomerular mesangial cells, lacis cells or Polkissen cells, are part of the juxtraglomerular…

By Vanessa Moreno, MD
Number of Nephrons in kindey biopsy
Twitter Poll

Twitter Poll (November 15, 2018)

ANSWER: A The number of nephrons in the normal kidney is important because they may play a role in the…

By Vanessa Moreno, MD
Drug-induced AIN, Twitter Poll, Arkana Laboratories
Twitter Poll

Twitter Poll (November 1, 2018)

ANSWER: D Drug-induced AIN may account for 60-70% of AIN cases. Some offending drugs include: antibiotics, proton pump inhibitors, NSAIDs,…

By Vanessa Moreno, MD