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Related Concept Videos

Lampbrush Chromosomes01:51

Lampbrush Chromosomes

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In 1882, Flemming observed lampbrush chromosomes (LBC) in salamander eggs. Later in 1892, Rückert observed LBCs in shark egg cells and coined the term "lampbrush chromosomes" because they looked like brushes used to clean kerosene lamps.
LBCs are made up of two pairs of conjugating homologous chromatids. Each chromatid consists of alternatively positioned regions of condensed-inactive chromatin and loosely placed-active side loops, which can be contracted and extended. The loops...
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Lipoblast: morphologic features and diagnostic value.

Masanori Hisaoka1

  • 1Department of Surgical Pathology, University Hospital, University of Occupational and Environmental Health, Japan.

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|June 17, 2014
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Summary
This summary is machine-generated.

Lipoblasts, immature fat cells, are key in diagnosing liposarcoma but can be mistaken for other cells. This review clarifies their features, mimics, and presence in benign tumors to aid pathologists.

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Area of Science:

  • Pathology
  • Oncology
  • Cell Biology

Background:

  • Lipoblasts are immature adipocytes crucial in diagnosing liposarcoma.
  • Their histological identification is challenging due to mimics like Lochkern cells and pseudolipoblasts.
  • Benign tumors can also contain lipoblasts, complicating diagnosis.

Purpose of the Study:

  • To review the clinicopathologic features of lipoblasts.
  • To discuss histological mimics that can lead to misdiagnosis.
  • To highlight benign tumors containing lipoblasts to improve diagnostic accuracy.

Main Methods:

  • Literature review of clinicopathologic features of lipoblasts.
  • Analysis of histological images and diagnostic criteria.
  • Comparison of lipoblasts in malignant and benign tumors.

Main Results:

  • Lipoblasts are characterized by lipid content and specific nuclear morphology.
  • Histological mimics and benign tumors can present challenges in differentiating liposarcoma.
  • Presence of lipoblasts is important but not solely diagnostic for liposarcoma.

Conclusions:

  • Accurate identification of lipoblasts requires understanding their features and mimics.
  • Distinguishing lipoblasts in benign versus malignant conditions is critical for correct diagnosis.
  • This review aids pathologists in avoiding misdiagnosis of liposarcoma.