A-Unilateral lesions:
1-Inflammatory(50%)
-Acute and chronic dacryoadenitis.
-Inflammatory pseudo tumor.
-Heterogeneous or ring enhancement.
2-Neoplastic:
-Primary (benign or malignant) or secondaries
So, when you find a unilateral enlargement of one Lacrymal gland ,you write in your report:
Evidence of unilateral Lacrymal gland enlargement, picture suggestive of inflammatory versus neoplastic lesion for further evaluation.
Signs of inflammation or neoplastic
• 1-Ring enhancement with evidence of brain abscess (intra cranial extension).
• 2-Unilateral enlargement with homogenous enhancement suggests benign neoplasm as pleomorphic or mixed adenoma or dermoid cyst.
• Unilateral enlargement with Heterogeneous enhancement and or bone erosion , suggests malignant process such as carcinoma , lymphoma or metastases.
B-Bilateral lesions
• 1-Sarcoidosis.
• 2-Auto immune disease such as
• Sjogrens syndrome or
• Mikulics syndrome.
• 3-Myxedema
• 4-Amyloidosis
• 5-Wagener’s granulomatosis.
• 6-Grave’s disease.
• 7-Lymphoma.
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