Revue de stomatologie et de chirurgie maxillo-faciale · 2010
[Xanthogranuloma of the parotid gland in adults].
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Dhouib H, Hammami B, Sellami M, Mnif L, Boudawara T, Ghorbel A
Аннотация
UNLABELLED: Juvenile xanthogranuloma (JXG) is a cutaneous non-Langerhans cell histiocytosis affecting infants. We report the first case of JXG in the parotid gland of an adult.
CLINICAL CASE: A 52 year-old man consulted for a painful swelling of the left parotid region, progressively increasing. On physical examination, the mass was 4 cm in diameter. A second 1.5 cm diameter tumor was found in the right parotid region. MRI revealed masses with heterogeneous hypodense on T1-weighted images and with hyper dense on T2 weighted images associated with heterogeneous enhancement after gadolinium injection. The superficial and deep lobes of the parotid gland were involved. Per-operative left-side exploration revealed a lipomatous degeneration of the parotid gland and facial nerve. A lower polar parotidectomy was performed. The histological examination identified a parotid xanthogranuloma.
DISCUSSION: The JXG is usually revealed by cutaneous lesions. In fact, the morphological, immunohistochemical, and ultrastructural features of this affection lead to its diagnosis. Extra-cutaneous localizations are less frequent. The differential diagnosis is X histiocytosis.
CLINICAL CASE: A 52 year-old man consulted for a painful swelling of the left parotid region, progressively increasing. On physical examination, the mass was 4 cm in diameter. A second 1.5 cm diameter tumor was found in the right parotid region. MRI revealed masses with heterogeneous hypodense on T1-weighted images and with hyper dense on T2 weighted images associated with heterogeneous enhancement after gadolinium injection. The superficial and deep lobes of the parotid gland were involved. Per-operative left-side exploration revealed a lipomatous degeneration of the parotid gland and facial nerve. A lower polar parotidectomy was performed. The histological examination identified a parotid xanthogranuloma.
DISCUSSION: The JXG is usually revealed by cutaneous lesions. In fact, the morphological, immunohistochemical, and ultrastructural features of this affection lead to its diagnosis. Extra-cutaneous localizations are less frequent. The differential diagnosis is X histiocytosis.