PMC6754851_01
Endoscopique view showing a polypoid nasopharyngeal swelling in the first patient
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Nasal endoscopy (Figure 1) discovered a polypoid mass occupying the nasopharynx.
Computed tomography showing nasopharyngeal swelling in the first patient
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Computed Tomography (CT) showed a polypoid thickening of the posterior wall and the roof of the nasopharynx, measuring 2.5cm (Figure 2) with bilateral cervical lymphadenopathies in jugular areas.
PMC6754851_02
Computed tomography showing nasopharyngeal swelling with tissue necrosis in the second patient
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CT scan showed a nasopharyngeal mass with central hypodensity suggesting tissue necrosis (Figure 3), with multiple cervical lymphadenopathies.
PMC6754851_03
PMC6754851_04
Histological section showing nasopharyngeal mucosa, epithelioid granulomas with giant cells and beginning of caseous necrosis
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In four cases, histopathological study showed nasopharyngitis and granulomas with histiocytic, epithelioid, and giant multinucleated Langhans cells as well as caseous necrosis (Figure 4).