Papillary thyroid cancer classification
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sahar Memar Montazerin, M.D.[2] Ammu Susheela, M.D. [3]
Overview
Overview
Papillary thyroid cancer may be classified according to histological subtypes. The most common subtypes include conventional, follicular and tall cell form.
Classification
Classification
- WHO classification of papillary thyroid cancer is as follows:[1]
- Papillary microcarcinoma (<1 cm)
- Encapsulated
- Follicular
- Diffuse sclerosing
- Tall cell
- Columnar cell
- Cribriform-morular APC
- Hobnail (micropapillary/discohesive)
- Fibromatosis/ Fasciitis-like stroma
- Solid/Trabecular
- Oncocytic
- Spindle cell
- Clear cell
- Warthin-like
- Another classification system for papillary thyroid cancer is:[2]
- Conventional
- Follicular variant
- Papillary microcarcinoma
- Tall cell
- Oncocytic
- Columnar cell
- Diffuse sclerosing
- Solid
- Clear cell
- Cribriform morular
- Macrofollicular
- PTC with prominent hobnail features
- PTC with fasciitis-like stroma
- Combined papillary and medullary carcinoma
- PTC with dedifferentiation to anaplastic carcinoma
- The most common subtypes are:
- Conventional
- Follicular
- Tall cell
Reference
Reference
- ↑ Kakudo, Kennichi; Bychkov, Andrey; Bai, Yanhua; Li, Yaqiong; Liu, Zhiyan; Jung, Chan Kwon (2018). “The new 4th edition World Health Organization classification for thyroid tumors, Asian perspectives”. Pathology International. doi:10.1111/pin.12737. ISSN 1320-5463.
- ↑ Lloyd, Ricardo V.; Buehler, Darya; Khanafshar, Elham (2011). “Papillary Thyroid Carcinoma Variants”. Head and Neck Pathology. 5 (1): 51–56. doi:10.1007/s12105-010-0236-9. ISSN 1936-055X.
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