Lobular neoplasia: frequency and association with other breast lesions
2011

Lobular Neoplasia and Its Association with Breast Lesions

Sample size: 135 publication 10 minutes Evidence: moderate

Author Information

Author(s): Gomes Douglas S, Balabram Débora, Porto Simone S, Gobbi Helenice

Primary Institution: Federal University of Minas Gerais (UFMG)

Hypothesis

What is the frequency of lobular neoplasia in breast biopsies and how is it associated with other breast lesions?

Conclusion

Lobular neoplasia frequently associates with columnar cell lesions and shows a higher frequency of invasive carcinoma, particularly invasive lobular carcinoma.

Supporting Evidence

  • Lobular neoplasia was diagnosed in 2.4% of breast specimens analyzed.
  • 78.5% of lobular neoplasia cases had columnar cell lesions.
  • Invasive carcinoma was present in 45.6% of lobular neoplasia cases.

Takeaway

This study found that lobular neoplasia is often found alongside other breast changes, and it can be linked to more serious conditions like invasive cancer.

Methodology

The study reviewed archived pathological reports from breast biopsies and classified cases of lobular neoplasia, analyzing their association with other breast lesions.

Potential Biases

Potential bias in case selection and classification of lesions.

Limitations

The study is retrospective and based on archived specimens, which may not represent the general population.

Participant Demographics

The study included 106 patients with lobular neoplasia, with a mean age of 52 years.

Statistical Information

P-Value

0.03

Statistical Significance

p < 0.03

Digital Object Identifier (DOI)

10.1186/1746-1596-6-74

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