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Related Concept Videos

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...
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...
Diabetes Mellitus: Type 2 and Gestational01:22

Diabetes Mellitus: Type 2 and Gestational

Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Tumor Immunotherapy01:27

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.

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Related Experiment Video

Updated: Jun 4, 2026

Utilizing 18F-FDG PET/CT Imaging and Quantitative Histology to Measure Dynamic Changes in the Glucose Metabolism in Mouse Models of Lung Cancer
06:51

Utilizing 18F-FDG PET/CT Imaging and Quantitative Histology to Measure Dynamic Changes in the Glucose Metabolism in Mouse Models of Lung Cancer

Published on: July 21, 2018

[Sugar tumor].

Sonia Sanai Raggad1, Anissa Zouaoui, Nadia Mehiri

  • 1Universite Tunis, El Manar, Tunisie.

La Tunisie Medicale
|February 11, 2011
PubMed
Summary

A rare benign lung tumor, known as a sugar tumor due to high glycogen content, was successfully resected. This case highlights diagnostic challenges and favorable outcomes following surgical intervention for this unusual pulmonary neoplasm.

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CT-guided Preoperative Localization of Pulmonary Nodules Using a Glucose Test and Tissue Adhesive
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CT-guided Preoperative Localization of Pulmonary Nodules Using a Glucose Test and Tissue Adhesive

Published on: January 30, 2026

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Last Updated: Jun 4, 2026

Utilizing 18F-FDG PET/CT Imaging and Quantitative Histology to Measure Dynamic Changes in the Glucose Metabolism in Mouse Models of Lung Cancer
06:51

Utilizing 18F-FDG PET/CT Imaging and Quantitative Histology to Measure Dynamic Changes in the Glucose Metabolism in Mouse Models of Lung Cancer

Published on: July 21, 2018

CT-guided Preoperative Localization of Pulmonary Nodules Using a Glucose Test and Tissue Adhesive
02:37

CT-guided Preoperative Localization of Pulmonary Nodules Using a Glucose Test and Tissue Adhesive

Published on: January 30, 2026

Area of Science:

  • Pulmonology
  • Oncology
  • Pathology

Background:

  • Clear cell tumor of the lung, or sugar tumor, is an exceptionally rare benign pulmonary neoplasm.
  • Characterized by abundant intracellular glycogen, leading to its distinctive name.

Observation:

  • A case study involving a 75-year-old female presenting with a solitary pulmonary opacity.
  • Computed tomography (CT) revealed a solid tumor in the left lower lobe with central calcifications.

Findings:

  • Surgical resection and subsequent immunohistochemical analysis confirmed a benign clear cell tumor (sugar tumor).
  • This represents the second reported case in Tunisia, underscoring its rarity.

Implications:

  • The study discusses the clinical and diagnostic challenges associated with sugar tumors.
  • Favorable evolution and prognosis are noted following surgical management of this rare lung tumor.