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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 Mellitus: Overview and Type I Subtype01:22

Diabetes Mellitus: Overview and Type I Subtype

Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis01:25

Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis

Type 2 diabetes mellitus develops gradually and is often asymptomatic in early stages.Clinical ManifestationsWhen symptoms appear, they include fatigue, blurred vision, pruritus, delayed wound healing, and recurrent infections, particularly candidal infections. Peripheral neuropathy may present as numbness or tingling in the extremities. Classic hyperglycemia symptoms—polyuria, polydipsia, and polyphagia—are less common. Most patients are overweight and frequently have associated hypertension...
Diabetes: Symptoms, Diagnosis, and Complications01:15

Diabetes: Symptoms, Diagnosis, and Complications

For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is based on...
Type I Diabetes I: Introduction01:12

Type I Diabetes I: Introduction

Type 1 diabetes mellitus is a chronic metabolic disorder characterized by an absolute deficiency of insulin resulting from the autoimmune destruction of pancreatic β-cells. Although it can occur at any age, it is most commonly diagnosed in childhood, adolescence, or early adulthood. The loss of insulin production impairs cellular glucose uptake, resulting in persistent hyperglycemia and necessitating lifelong insulin therapy.Autoimmune Destruction of β-CellsThe hallmark of type 1 diabetes is an...
Complications of Diabetes Mellitus01:22

Complications of Diabetes Mellitus

Diabetes mellitus is a chronic metabolic disorder characterized by persistent hyperglycemia due to insulin deficiency, resistance, or both. Prolonged hyperglycemia disrupts metabolic homeostasis and leads to acute and chronic complications.Acute ComplicationsAcute complications result from sudden metabolic imbalance.Diabetic ketoacidosis (DKA) mainly appears in type 1 diabetes but may also develop in type 2 diabetes, particularly under extreme stress. It arises from severe insulin deficiency,...

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Related Experiment Video

Updated: May 29, 2026

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19
06:46

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19

Published on: July 5, 2022

Diabetes in young--unusual case presentation.

K V S Hari Kumar1, Sai Priya, Altamash Shaikh

  • 1Department of Endocrinology, Command Hospital, Lucknow 226002, UP, India. hariendo@rediffmail.com

Journal of Pediatric Endocrinology & Metabolism : JPEM
|September 22, 2011
PubMed
Summary

Type 1 diabetes can present with autoimmune conditions like vitiligo. This case highlights a young boy with vitiligo and hyperglycemia due to chronic pancreatitis, not typical type 1 or type 2 diabetes.

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Last Updated: May 29, 2026

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19
06:46

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19

Published on: July 5, 2022

Area of Science:

  • Endocrinology
  • Pediatrics
  • Diabetology

Background:

  • Increasing prevalence of diabetes in youth necessitates understanding diverse presentations.
  • Type 2 diabetes often shows obesity and acanthosis nigricans.
  • Type 1 diabetes may be indicated by autoimmune markers like vitiligo or hypothyroidism.

Observation:

  • A young boy with vitiligo presented with hyperglycemia.
  • The patient did not exhibit ketonuria, a common sign in diabetic ketoacidosis.
  • An underlying diagnosis of chronic pancreatitis was identified, leading to secondary diabetes.

Findings:

  • This case presents an unusual etiology for diabetes in a young individual.
  • Vitiligo, typically associated with autoimmune diabetes, was present alongside hyperglycemia.
  • Chronic pancreatitis was the cause of secondary diabetes, distinct from typical type 1 or type 2 diabetes.

Implications:

  • Highlights the importance of considering non-classical causes of diabetes in children.
  • Suggests that autoimmune conditions can coexist with other etiologies of diabetes.
  • Emphasizes the need for comprehensive diagnostic evaluation in pediatric diabetes cases.