8525/3 Polymorphous low grade adenocarcinoma
Synonyms
Terminal duct adenocarcinomaDefinitions
| Lip, Oral Cavity and Oropharynx | ||
| ICD-O-3 topography code: | C00-C06, C09-C10, C14 | |
| ICD10: | C00-C06, C09-C10, C14 | |
A low grade malignant epithelial neoplasm of the head and neck region. It frequently arises from the oral cavity, with approximately 60% of the cases involving the palate.
It is histologically characterized by the presence of uniform, small to medium size malignant epithelial cells with a variety of morphologic patterns thaT may be present within an individual tumor, including lobular, papillary, papillary-cystic, cribriform, and trabecular pattern.
It usually has a favorable clinical outcome and a low metastatic potential.
| Salivary glands | ||
| ICD-O-3 topography code: | C07-C08 | |
| ICD10: | C07-C08 | |
A low grade malignant epithelial neoplasm of the head and neck region, histologically characterized by uniform, small to medium size malignant epithelial cells with a variety of morphologic features that may be present within a tumor, including lobular, papillary, papillary-cystic, cribriform, and trabecular patterns.
Polymorphous low grade adenocarcinoma frequently arises in the oral cavity, with approximately 60% of the cases involving the palate. It usually has a favorable clinical outcome and a low metastatic potential 1
World Health Organization Classification of Tumours. Pathology and Genetics of Head and Neck Tumours.
3rd Edition
IARC Press: Lyon 2005
| Nasal cavity and Sinuses | ||
| ICD-O-3 topography code: | C30-C31 | |
| ICD10: | C30-C31 | |
A low grade malignant epithelial neoplasm of the head and neck region. It frequently arises from the oral cavity, with approximately 60% of the cases involving the palate.
It is histologically characterized by the presence of uniform, small to medium size malignant epithelial cells with a variety of morphologic patterns thaT may be present within an individual tumor, including lobular, papillary, papillary-cystic, cribriform, and trabecular pattern.
It usually has a favorable clinical outcome and a low metastatic potential.
| Breast | ||
| ICD-O-3 topography code: | C50 | |
| ICD10: | C50 | |
Tumour with histological features similar to those referred to as ?polymorphous low-grade carcinoma? in salivary glands 2
| Click to access Pubmed |
Polymorphous low-grade adenocarcinoma of minor salivary glands. A study of 14 cases of a distinctive neoplasm.
Cancer 53: 935-42
| Click to access Pubmed |
Polymorphous low-grade adenocarcinoma: a study of 40 cases with long-term follow up and an evaluation of the importance of papillary areas.
Am J Surg Pathol 24: 1319-28