Cases reported "mucocele"

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1/494. Neurosurgical aspects of sphenoid sinus mucocele.

    The aetiological spectrum of sphenoid sinus mucocele includes congenital anomaly, trauma, infection, allergy and surgery of the sphenoid sinus. Enlargement of the mucocele, even with a short history, can result in progressive expansion of the sinus and extension of the lesion into the pituitary fossa, the suprasellar region, nasopharynx, orbits, clivus or ethmoid air cells. It is a benign cystic lesion with an excellent prognosis when treated appropriately. Generally, these lesions are managed by an ear, nose and throat surgeon, but when there is extension into the sellar and parasellar (especially suprasellar) regions they are managed by the neurological surgeon. sphenoid sinus mucocele should be considered in the differential diagnosis when there is suspicion of a cystic lesion in these regions. Three cases of large sphenoid sinus mucocele are presented, with discussion on their neurosurgical management and a review of the literature. ( info)

2/494. mucocele involving the anterior clinoid process: MR and CT findings.

    We report two patients with surgically proved mucoceles involving the anterior clinoid process. One patient had a mucocele of an Onodi cell and the other had a mucocele isolated to the anterior clinoid process. The MR signal was increased on both T1- and T2-weighted images in the first patient but was isointense on both sequences in the second patient, a finding that resulted in misdiagnosis. The developmental and anatomic features, as well as the diagnostic pitfalls, are discussed. ( info)

3/494. Surgical management of lesions affecting the anterior optic pathways.

    Although benign neoplasms are the most common lesions of the anterior visual pathways that lend themselves to a combined neurosurgical and ophthalmic surgical treatment, malignant neoplasms, infections (especially fungal), and vascular lesions are also sometimes treated via a combined approach. Recent advances in the field of skull base surgery have made it possible to treat complicated lesions in precarious locations with increasing margins of safety and decreasing morbidity. The role of the neurosurgeon in managing selected patients with lesions of the anterior a visual pathway should not be underestimated. ( info)

4/494. mucocele mimicking a Warthin's tumour recurrence.

    We report an unusual case of an extravasation mucocele complicating superficial parotidectomy. The tumour excised was a Warthin's tumour. Three months following the primary surgery a cystic lesion appeared in the parotid bed. It was initially thought to represent a recurrence. The area was re-explored and a mucocele excised. The pathogenesis of mucoceles and the difficulties encountered when dealing with parotid tumour recurrence are discussed. ( info)

5/494. Reduction of nasal orbital fractures and simultaneous dacryocystorhinostomy.

    A technique for restoration of structure and function in naso-orbital fractures has been described. Three case reports demonstrate a few of the final results. The case reports also indicate that many of these fractures require late definitive surgery in spite of optimal surgical treatment immediately subsequent to injury. ( info)

6/494. mucocele in an orbitoethmoidal (Haller's) cell (accidentally combined with acute contralateral dacryocystitis).

    Haller's cells--according to recent terminology now called orbitoethmoidal cells (OEC)--are defined as anterior or posterior ethmoidal cells that have developed into the orbital floor. They can be excessively pneumatized and thus contribute to obstruction of the ostiomeatal complex area. We present the case of a 42 year old white male, who was admitted for treatment of an acute dacryocystitis on the right side. The CT scan revealed moderate sinusitis of the right ethmoid and maxillary sinuses and coincidentally a mucocele in an OEC on the left side. An endoscopic dacryocystorhinostomy on the right and a revision of the mucocele on the left side were performed in the same sitting. We consider both indications--stenosis of the nasolacrimal duct as well as mucoceles rewarding indications for endoscopic surgery. An external approach to the nasolacrimal duct in this case would have been problematic, as the external skin and soft tissue covering the duct already showed severe inflammatory changes. The operation of the up until that time asymptomatic mucocele was of prophylactic character. To our knowledge this is the first report of a mucocele developing in an OEC in the literature. ( info)

7/494. Laparoscopic treatment of an appendiceal mucocele.

    Appendiceal mucocele is a rare entity with a nonspecific preoperative presentation and is diagnosed intraoperatively in a majority of cases. The emphasis lies in accurate pathologic diagnosis, as the final treatment can differ depending on the malignant potential. The case presented was correctly diagnosed preoperatively. Laparoscopic exploration was both diagnostic and therapeutic. This case demonstrates the utility and safety of laparoscopy in the treatment of appendiceal masses. ( info)

8/494. mucocele of the maxillary antrum in an eight-year-old boy.

    mucocele is a rare clinical entity in children. It is considered to be associated with fibrocystic disease. The capacity of mucocele to erode through the bone walls along with the increased density of its content, make the diagnosis difficult when mucocele has to be differentiated from benign or malignant tumors. In this paper, we present the case of an 8-year-old boy with mucocele of the left maxillary antrum. Both the differential diagnosis and the surgical treatment are described. ( info)

9/494. hematuria: an unusual presentation for mucocele of the appendix. Case report and review of the literature.

    mucocele of the appendix is a nonspecific term that is used to describe an appendix abnormally distended with mucus. This may be the result of either neoplastic or non-neopleastic causes and may present like most appendiceal pathology with either mild abdominal pain or life-threatening peritonitis. Urologic manifestations of mucocele of the appendix have rarely been reported. laparoscopy can be used as a diagnostic tool in equivocal cases. Conversion to laparotomy may be indicated if there is a special concern for the ability to remove the appendix intact or if more extensive resection is warranted, as in malignancy. We here report our experience with a woman presenting with hematuria whose ultimate diagnosis was mucocele of the appendix, and we review the appropriate literature. This case highlights the mucocele as a consideration in the differential diagnosis of appendiceal pathology and serves to remind the surgeon of the importance for careful intact removal of the diseased appendix. ( info)

10/494. Concha bullosa pyocele--undiagnosed for 3 years.

    We report a rare case of post-traumatic concha bullosa pyocele in a diabetic teenager that has gone undiagnosed for 3 years. The clinical findings, radiological features and management are discussed. The literature is reviewed. ( info)
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