Atypical adenomatous hyperplasia

Atypical adenomatous hyperplasia is a subtype of

). In prostate tissue biopsy, it can be confused for adenocarcinoma of the prostate. The needle biopsy rate is less than 1%.

Pathology

Morphological differential diagnosis

• Multifocal micronodular pneumocyte hyperplasia (MMPH)^[1]
• bronchioloalveolar carcinoma
  – BAC)

Variants

• multiple atypical adenomatous hyperplasia^[2]
• disseminated AAH^[3]

Histopathological images

• 
• 
• 
• 

See also

• EGFR
• KRAS

References

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