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Chemical-Induced Skin Carcinogenesis Model Using Dimethylbenz[a]Anthracene and 12-O-Tetradecanoyl Phorbol-13-Acetate (DMBA-TPA)
Published on: December 19, 2019
Papilloma and papillary carcinoma
1Pathology Service, Massachusetts General Hospital, James Homer Wright Laboratory of Pathology, Boston, Massachusetts 02114, USA. FKOERNER@partners.org
Seminars in Diagnostic Pathology
|March 24, 2010
Summary
Papillomas and papillary carcinomas have distinct features in frond geometry, stroma, and epithelium. Differentiating these lesions is crucial for accurate diagnosis and treatment, as some features can mimic malignancy.
Area of Science:
- Pathology
- Oncology
Background:
- Papillomas and papillary carcinomas share some architectural similarities, leading to diagnostic challenges.
- Distinguishing benign papillomas from malignant papillary carcinomas is critical for patient management.
Purpose of the Study:
- To elucidate the fundamental characteristics differentiating papillomas from papillary carcinomas.
- To clarify diagnostic pitfalls in distinguishing these related lesions.
Main Methods:
- Comparative analysis of geometric properties of fronds.
- Assessment of stromal characteristics.
- Evaluation of epithelial and cytologic features.
Main Results:
- Papillomas and papillary carcinomas differ in frond geometry, stroma amount, and epithelial characteristics.
- Glandular proliferation in papillomas can mimic cribriform ductal carcinoma in situ.
- Specific cellular (dimorphic cells) and architectural features can lead to misclassification.
Conclusions:
- Accurate differentiation of papillomas and papillary carcinomas relies on a combination of morphological features.
- Understanding common diagnostic errors is essential for pathologists.
- Clarifying the nature of lesions like "intracystic papillary carcinoma" is ongoing.
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