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| Unusual Presentation of an Antrochoanal
Polyp |
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| BP Kolwadkar*, NR Ankale**, SB Bagewadi***,
RN Patil+ |
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Antrochoanal polyp, though a common clinical
entity, is reported here for its unusual presentation. A forty
five year old female patient presented in accident and emergency
department with inability to close her mouth due to a mass, filling
and hanging out from oral cavity. As a result of which, she could
not swallow or speak. Following an emergency nasal endoscopic
sinus surgery, the mass was removed per-orally. To our knowledge
this is the first case reported in the literature occurring in
an adult. |
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| Introduction |
Nasal polyposis has long been recognised
as a medical condition. Antrochoanal polyp occupies a special
place because it is usually unilateral and solitary. Unattended
antrochoanal polyps may extend into the nasopharynx and even
the pharynx in advanced cases, sometimes causing inferior displacement
of the soft palate. We describe a case of nasal polyposis that
presented with mass hanging out of oral cavity. |
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| Case Report |
emergency department complaining of inability to close
her mouth or swallow due to a mass that had been hanging
out of her oral cavity for the last few hours (Fig. 1).
During the previous three months she had complained of
progressive dysphagia and right nasal obstruction, with
recurrent attacks of URTI. A severe bout of coughing brought
the mass into the oral cavity relieving the dysphagia
temporarily but forcing the patient to attend the accident
and emergency department.
Past history included an emergency tracheostomy eight
years ago with subsequent removal of an avulsed antrochoanal
polyp, which was causing stridor. On general and ENT examination,
a trilobed fleshy mass was identified hanging out of the
oral cavity. The mass was firm in consistency, mobile,
non-tender and not attached to the tongue, palate or oral
cavity mucosa. It did not bleed on touch. Scarring from
the previous tracheostomy was seen on examination of the
neck. There were no other relevant features on history
or examination. High resolution computed tomography (HRCT)
of her paranasal sinuses demonstrated opacity in the right
maxillary sinus and right nasal cavity with a mass in
the nasopharynx and oral cavity, which was non-enhancing
with contrast media.
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Fig. 1 : Photo showing the mass hanging out of oral cavity |
Considering the nature of presentation, examination findings,
past history and HRCT paranasal sinuses findings, the
patient had emergency endoscopic sinus surgery under general
anaesthesia. Nasal endoscopic examination using 0º
Hopkins Road Telescope revealed a mass with stalk attached
to the accessory ostium of the right middle meatus. Clearance
of the right maxillary sinus was carried out and the mass
was delivered per-orally. It was 14 cm in length, 5 cm
in diameter, with length of pedicle measuring 4 cms. Histopathology
showed typical features of an allergic polyp i.e. an oedematous
eosinophilic polyp, with goblet cell hyperplasia, thickening
of the basement membrane and a predominantly eosinophilic
infiltrate. The patient is on regular follow-up with no
recurrence to date. |
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| Discussion |
A similar presentation is reported in a
twelve-year old boy who presented as a paediatric emergency
with a polypoidal mass filling the oral cavity and reaching
as far as the incisors.1 In our case, the mass was hanging
out of the oral cavity and was 14 cm in length, 5 cm in
diameter with a stalk of 4 cms in length. Upon reviewing
the literature, we did not find any report similar to
our case with regard to the size of the mass.3,4 The tendency
of polyps to grow in a particular pattern can be seen
from the past history of similar presentation eight years
ago. The increasing size and weight of the mass can cause
its autoamputation, thereby causing stridor, which can
prove fatal in such presentations.2 In the case of our
patient, self-neglect and the delay in presentation led
to such life threatening complication. Though antrochoanal
polyp is a common occurrence, the seriousness of the condition
is sometimes underestimated. The above presentation is
rare and for this reason we believe the case will be of
interest. |
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| References |
| 1. |
Sharma HA, Daud AR. Antrochoanal
polyp - a rare paediatric emergency. Int J Pediatr
Otorhinolaryngol 1997 Jul. 18; 41 (1) : 65-70. |
| 2. |
Rashid AM, Soosay G, Morgan D. Unusual
presentation of a nasal (antrochoanal) polyp.
Br J Clin Pract 1994, Mar-Appr; 48 (2) : 108-9. |
| 3. |
Martinez Monedero R, Morais Perez
D, Ramirez Cano B, Sancho Alvarez A, Martinez Guisado
P. Giant antro-choanal polyp. An Otorhinolaryngol
Ibero Am 2002; 29 (3) : 281-7. |
| 4. |
Grewal DS, Sharma BK. Dyspnea and dysphagia
in a child due to an antrochoanal polyp. Auris
Nasus Larynx 1984; 11 (1) : 25-8. |
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Nicholas J Beeching, BMJ, 2004; 329 : 1059-60. |
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*Senior Registrar; **Registrar; ***Assistant Professor; +Associate Professor; Department of ENT, Jawaharlal Nehru Medical College and KLES Hospital, Nehrunagar, Belgaum, Karnataka, India - 590 001.
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