Sjögren syndrome

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

bilateral parotid enlargement treated as chronic parotitis.

Patient Data

Age: 50 years
Gender: Female
ultrasound
right
parotid-Long
Right parotid
- Transverse
Left parotid
- Long
Left parotid
- transverse
Submandibular
glands
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Info

Both parotid and submandibular glands appear relatively enlarged with multicystic changes and reticular pattern.

mri
This study is a stack
Axial
T1
This study is a stack
Axial
T2
This study is a stack
Coronal
T2
This study is a stack
Axial T1
C+ fat sat
This study is a stack
Coronal T1
C+ fat sat
This study is a stack
Axial
DWI
This study is a stack
Axial
ADC
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Info

Both parotid glands are enlarged with innumerable cystic lesions disseminated in both parotid glands, of low signal onT1, hight signal on T2, giving a honeycomb appearance. On moderate heterogeneous enhancement is noted on postcontrast sequences.

Both submandibular glands show a similar but much less prominent involvement as compared to the parotid glands.

Case Discussion

Ultrasound and MRI features are characteristic of Sjögren syndrome.

Follow-up is mandatory in such case due to the high risk of developing a malignant lymphoma

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