Parotid adenoid cystic carcinoma

Case contributed by Dr Ammar Haouimi


Progressive painless swelling of the left parotid gland

Patient Data

Age: 35 years
Gender: Male

A well-defined lobulated multiloculated soft tissue mass of the left parotid gland involving mainly the deep lobe. It appears of intermediate signal intensity on T1WI, moderate-high signal intensity on T2WI with areas of hemorrhagic necrosis, restricted diffusion on DWI / ADC and heterogeneous enhancement following IV contrast. The ADC ratio tumor / healthy parotid was around 1.15

The right parotid gland appears normal.

No cervical lymphadenopathy.

Case Discussion

Case of low-grade adenoid cystic carcinoma proven by biopsy and histopathological examination

Adenoid cystic carcinomas are usually considered as low-grade tumors with a high tendency for perineural spread. They represent around 1% of head and neck cancers and have a high potential for local recurrence after excision. The treatment includes a combination of radiotherapy and surgery. 

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.