PMC4629592_01
Dried mucous secretion on the eye lids, hyperaemia, oedema of the conjunctiva with protrusion of the third eye lid and keratitis (one month after the first examination).
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F1
The third eyelid protruded out of its place covering half of the eye bulb (Fig. 1).
Lateral transposition of the left bulb and impossibility of retropulsion of the left eye to the orbit. Dried secretion on the left nostril.
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F2
Computed tomography of the skull. The left eye bulb protrusion, presence of the tumoural mass in the very base of the orbit with osteolysis of the nasal septum and presence of the neoplasm in the left nasal duct.
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F3
Reconsturction: neoplasia the bottom of the orbit.
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F4
Reconstruction: the neoplasia affects the bottom of the orbit and osteolysis of part of the orbit.
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F5
Position of the prominent part of the tumour behind the last molar of the maxilla.
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F6
The part of the tumour removed for histopathological examination.
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F7
Depicted scattered pleomorphic binuclear chondrocytes. Clearly pronounced cytoplasm, due to the larger amount of glycogen. The isles of hyaline cartilage surrounded by non-defined mesenchymal cells (H&E x300).
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F8
The tumour cells produced the chondroid matrix and they were arranged, by their shape and size, in irregular groups which were separated from the surrounding tissue (Fig. 8).