Normal Thymus

Epidemiology and Etiology:

Common sites:

Gross features:

Histologic features:

• cortex (immature thymocytes)
• dense blue
• medulla
• less dense blue
• Hassall’s corpuscles
• Involution occurs with age:
• Replacement with fat
• Commonly sheets of epithelial cells are seen

Immunophenotype:

Marker:

Sensitivity:

Specificity:

Molecular features:

Other features:

References: