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Nephrology

Case Studies

Adalimumab causes kidney injury in pediatric Crohn’s disease

Kidney injury is a known side-effect of using adalimumab to treat inflammatory bowel diseases, but has rarely been seen in children. Timely withdrawal can significantly reduce kidney damage but it is irreversible in some cases.

Cholestatic hepatotoxicity after kidney transplantation

Open Access Toxic Hepatitis Case Study

Changing to a ciclosporin-based regimen resolved the signs and symptoms of hepatitis in a patient who presented with icterus, weakness, and lethargy two weeks after kidney transplantation and initiation of tacrolimus.

Refractory secondary hyperparathyroidism presenting with retro-orbital brown tumor

Open Access Hyperparathyroidism Case Study

A case of treatment-resistant hyperparathyroidism with severe complications in a long-term kidney dialysis patient, who presented with an atypically located adenoma that required comprehensive surgical intervention.

Hypertension, proteinuria, and hypercalciuria in a previously healthy 3-year-old

Open Access Hypertension Case Study

A panel of experts examine the differential diagnosis for secondary hypertension in a young child, and the eventual diagnosis and management of generalized arterial calcification in infants.

Type 1 diabetes and chronic kidney disease – monitoring glucose levels during pregnancy

This case indicates that capillary blood glucose monitoring should be used alongside intermittently scanned CGM when pregnancy is complicated by type 1 diabetes and CKD.

Acute-onset blindness due to severe metabolic lactic acidosis

Open Access Metformin Case Study

Metformin-associated lactic acidosis can cause acute blindness, but vision may be recovered by timely treatment of acidosis. Physicians should be aware that even if patients have severe metabolic acidosis they can still have stable vital signs.

Multifocal lesions in a kidney allograft

Renal Abscess Case Study

Multiple masses in a transplanted kidney raise suspicion for malignancy, but this case demonstrates the importance of a broad differential diagnosis and biopsy, which instead detected a serious infection.

Myeloid sarcoma of the urinary bladder

Sarcoma Case Study

A patient with urinary bladder myeloid sarcoma as the presenting feature of secondary acute myeloid leukemia responded well to treatment with azacitidine and venetoclax.

Unilateral adrenalectomy for bilateral primary aldosteronism with heart failure

Open Access Hyperaldosteronism Case Study

A patient with left-dominant heart failure was diagnosed with bilateral primary aldosteronism. Hypertension persisted despite treatment with antihypertensive drugs, but heart failure improved after unilateral adrenalectomy.

DKA and a hyperglycemic hyperosmolar state in a kidney transplant patient

Open Access Kidney Transplantation Case Study

Diabetic ketoacidosis and a hyperglycemic hyperosmolar state were induced by severe diarrhea in a kidney transplant recipient due to a Paxlovid–tacrolimus drug–drug interaction.

DVT and hyponatremia associated with citalopram use in Parkinson’s disease

Open Access Parkinson's Dementia Case Study

SSRIs are widely used for neuropsychiatric symptoms in patients with Parkinson’s disease dementia, but many patients experience adverse events.

Central pontine myelinolysis secondary to hyperglycemia

Open Access Type 2 Diabetes Case Study

CPM is a rare but potentially fatal neurological condition. This case highlights the development of CPM in a patient with uncontrolled diabetes as a consequence of hyperosmolar hyperglycemia.