Select tumour for C11.9 - Nasopharynx, NOS:
The number attached to each tumour is the ICD-O morphology code of the International Classification of Diseases for Oncology (ICD-O) [1] and the Systematized Nomenclature of Medicine (
/0 benign tumours
/1 unspecified, borderline or uncertain behaviour
/2 in situ carcinomas
/3 malignant tumours.

1. Fritz A, Percy C, Jack A, Shanmuragatnam K, Sobin LH, Parkin DM, Whelan S (Eds) International Classification of Diseases for Oncology. World Health Organization: Geneva 2000

Malignant epithelial tumors
    8072/3 Squamous cell carcinoma, large cell, nonkeratinizing, NOS
    8071/3 Squamous cell carcinoma, keratinizing, NOS
    8083/3 Basaloid squamous cell carcinoma
    8260/3 Papillary adenocarcinoma, NOS
    8260/3 Papillary renal cell carcinoma
    8260/3 Papillary carcinoma of thyroid

Benign epithelial tumors
    8121/0 Schneiderian papilloma, NOS
    8121/0 Sinonasal papilloma, exophytic
    8121/0 Transitional cell papilloma, inverted, benign
    8121/0 Transitional papilloma, inverted, benign
    8050/0 Papilloma, NOS
    8272/0 Pituitary adenoma, NOS
    9350/1 Craniopharyngioma

Soft tissue neoplasm
    9160/0 Angiofibroma, NOS

Haematolymphoid tumors
    9719/3 NK/T-cell lymphoma, nasal and nasal-type
    9758/3 Follicular dendritic cell sarcoma
    9758/3 Follicular dendritic cell tumor

Tumors of bone and cartilage
    9370/3 Chordoma, NOS