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Classification of Leukocytes

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Granularity in granular cell ameloblastoma.

Andamuthu Yamunadevi¹, G S Madhushankari², Manickam Selvamani²

¹Department of Oral and Maxillofacial Pathology, Vivekanandha Dental College for Women, Tiruchengode, Namakkal, Tamil Nadu, India.

Journal of Pharmacy & Bioallied Sciences

|September 12, 2014

Summary

This summary is machine-generated.

Granular cell ameloblastoma (GCA), a rare variant of ameloblastoma, is characterized by distinctive granular cells. This review explores GCA's clinical and histopathological features, aiding diagnosis and understanding of granular cell origin.

Keywords:

Granular cells granular cell ameloblastoma lysosomes

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Area of Science:

Oral pathology
Oncology
Histology

Background:

Granular cell ameloblastoma (GCA) is a rare histological variant of ameloblastoma, accounting for 1.5-3.5% of cases.
GCA is identified by the presence of characteristic granular cells, which are also found in various physiological and pathological conditions.
The granularity in GCA is attributed to lysosomal aggregates within these cells.

Purpose of the Study:

To provide a comprehensive review of Granular Cell Ameloblastoma (GCA).
To discuss the clinical and histopathological features of GCA.
To explore theories on the origin of granularity, including electron microscopic, cell signaling, and immunohistochemistry findings.

Main Methods:

Literature review of clinical features.
Histopathological analysis of GCA.
Review of theories on granular cell formation, electron microscopy, cell signaling, and immunohistochemistry.

Main Results:

GCA presents with specific clinical and histopathological characteristics.
Granularity in GCA is linked to lysosomal aggregates.
Various theories explain the occurrence of granularity, supported by ultrastructural and molecular findings.

Conclusions:

GCA is a distinct variant of ameloblastoma requiring careful diagnosis.
Understanding the granular cells' origin involves lysosomal activity and cellular pathways.
Further research into cell signaling and immunohistochemistry can refine GCA diagnosis and understanding.