Atypical adenomatous hyperplasia

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Atypical adenomatous hyperplasia is a subtype of pneumocytic hyperplasia in the lung. It can be a precursor lesion of in situ adenocarcinoma of the lung (bronchioloalveolar carcinoma). In prostate tissue biopsy, it can be confused for . The needle biopsy rate is less than 1%.

Pathology[]

Morphological differential diagnosis[]

Variants[]

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

Histopathological images[]

  • Pulmonary adeocaricnoma (1) localized noninvasive type.jpg
  • Pulmonary adeocaricnoma (2) localized noninvasive type.jpg
  • Pulmonary adeocaricnoma (3) localized noninvasive type.jpg
  • Pulmonary adeocaricnoma (4) localized noninvasive type.jpg

See also[]

References[]

  1. ^ Kobashi, Y; Sugiu, T; Mouri, K; Irei, T; Nakata, M; Oka, M (2008). "Multifocal micronodular pneumocyte hyperplasia associated with tuberous sclerosis: Differentiation from multiple atypical adenomatous hyperplasia". Japanese Journal of Clinical Oncology. 38 (6): 451–4. doi:10.1093/jjco/hyn042. PMID 18535095.
  2. ^ Kobashi, Y; Sugiu, T; Mouri, K; Irei, T; Nakata, M; Oka, M (2008). "Multifocal micronodular pneumocyte hyperplasia associated with tuberous sclerosis: Differentiation from multiple atypical adenomatous hyperplasia". Japanese Journal of Clinical Oncology. 38 (6): 451–4. doi:10.1093/jjco/hyn042. PMID 18535095.
  3. ^ Pastorino, U; Calabrò, E; Tamborini, E; Marchianò, A; Orsenigo, M; Fabbri, A; Sozzi, G; Novello, S; De Marinis, F (2009). "Prolonged remission of disseminated atypical adenomatous hyperplasia under gefitinib". Journal of Thoracic Oncology. 4 (2): 266–7. doi:10.1097/JTO.0b013e3181952930. hdl:2318/84918. PMID 19179908.


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