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Related Concept Videos

Diabetes Insipidus I: Introduction01:29

Diabetes Insipidus I: Introduction

Definition Diabetes insipidus is a disorder marked by the production of large amounts of dilute urine because of impaired vasopressin production, release, or kidney response. The lack of effective vasopressin action limits water reabsorption in the renal collecting ducts, which leads to excessive urinary water loss and intense thirst.Clinical PresentationIndividuals with diabetes insipidus report persistent thirst and very high urine output. In severe cases, fluid intake can reach up to 20...
Type I Diabetes III: Clinical Manifestations01:19

Type I Diabetes III: Clinical Manifestations

Type 1 diabetes mellitus typically presents with rapid-onset symptoms due to the body’s inability to utilize glucose in the absence of insulin. Since insulin is required for glucose uptake into cells, its deficiency leads to hyperglycemia and cellular energy deprivation, resulting in characteristic clinical features.Polyuria and PolydipsiaOne of the earliest, most prominent symptoms is polyuria (excessive urination). When blood glucose concentrations rise above the renal threshold, the kidneys...
Diabetes Insipidus II: Pathophysiology01:22

Diabetes Insipidus II: Pathophysiology

Normally, water balance is maintained through three interconnected mechanisms: the hypothalamic thirst center, the synthesis and release of antidiuretic hormone (ADH, or vasopressin), and the kidneys' responsiveness to this hormone. ADH is synthesized in the hypothalamus, released from the posterior pituitary, and acts on the distal nephron, allowing water reabsorption and concentrated urine production.Diabetes Insipidus and Its TypesIn diabetes insipidus (DI), this regulatory system is...
Urine Studies I: Urinalysis01:29

Urine Studies I: Urinalysis

Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...
Hyperglycemia01:29

Hyperglycemia

Hyperglycemia is an abnormally high blood glucose level. It is diagnosed by fasting glucose ≥126 mg/dL, 2-hour oral glucose tolerance test (or OGTT) ≥200 mg/dL, random glucose ≥200 mg/dL with symptoms, or HbA1c ≥6.5%. However, HbA1c results may be unreliable in certain conditions, such as anemia or hemoglobinopathies, and the diagnosis should be confirmed unless classic symptoms are present. Postprandial hyperglycemia is typically considered significant when glucose levels exceed 180 mg/dL two...
Diabetic Nephropathy01:28

Diabetic Nephropathy

Definition Diabetic nephropathy is a chronic kidney complication that results from prolonged hyperglycemia.Prevalence It is the most common cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD) worldwide, affecting up to half of individuals with diabetes.Pathophysiology • Sustained hyperglycemia triggers multiple hemodynamic and metabolic changes in the kidney. • Early in the disease, increased renal blood flow and glomerular hyperfiltration occur due to afferent arteriolar...

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A young man with polyuria and lethargy.

Salman Imtiaz1, Shahid Qayyum, Hala Kafouri

  • 1King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia. salman_imtiaz@hotmail.com

Saudi Journal of Kidney Diseases and Transplantation : an Official Publication of the Saudi Center for Organ Transplantation, Saudi Arabia
|July 12, 2011
PubMed
Summary

A young man with polyuria and electrolyte imbalance was diagnosed with leukemia infiltrating his kidneys. Prompt fluid and electrolyte management led to recovery, highlighting an unusual presentation of hematological malignancy.

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Area of Science:

  • Nephrology
  • Hematology
  • Oncology

Background:

  • Presents a rare case of a 20-year-old male with a two-month history of polyuria, weakness, constipation, nausea, and vomiting.
  • Clinical examination revealed significant weight loss and mild hepatomegaly.

Observation:

  • Laboratory findings included hypokalemia, hypernatremia, severe metabolic acidosis, and anemia.
  • Abdominal ultrasound showed enlarged kidneys without hydronephrosis.
  • The patient experienced paralysis due to hypokalemia, which resolved with aggressive fluid and electrolyte management.

Findings:

  • Kidney biopsy revealed interstitial leukemic infiltration, indicating an unusual presentation of hematological malignancy.
  • The patient's symptoms, including polyuria and metabolic acidosis, were investigated thoroughly.

Implications:

  • This case underscores the importance of considering hematological malignancies in the differential diagnosis of complex renal and electrolyte disturbances.
  • Highlights diagnostic and management challenges associated with atypical presentations of leukemia.
  • Emphasizes the critical role of timely and appropriate fluid and electrolyte management in critical care settings.