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Full text of "Diseases Of The Nose Throat And Ear"

CHAPTER 12
TUMOURS OF THE NOSE

CONGENITAL TUMOURS

Congenital tumours are occasionally met with either externally or within the
nasal cavity (Fig. 26).

Glioma. This is a solid tumour which may present externally at the root of the
nose which becomes broadened, or it may appear intranasally from the roof
or the lateral wall of the nasal cavity. It arises from a failure of the dural
process to become sealed off in the foramen caecum during embryonic

DORSUM OF NOSE AT BIRTH

I M    I

-Dura

• Frontal bone
— Brain

Fonticulus naso-Frontalis

Foramen Caecum

Pre nasal space
Cartilaginous capsule —

Brain'?

CONGENITAL NEOPLASMS OF NOSE AT BIRTH

Dura
Frontal bone

Foramen Caecum
Encephalocele
Nasal bone

Cartilaginous capsule

Foramen Caecum
Glioma

Dermoid Cysi

ENCEPHALOCELE

GLIOMA

DERMOID CYST

Fig. 26. Congenital neoplasms of the nose. (Reproduced by permission ofBaittiere TindaHfrom 'The Ear
Nose and Throat Diseases of Children1 after Macomber and Wang,'Plastic and Reconstructive Surgery*
1953.)

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