Cases reported "Dermoid Cyst"

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1/43. A de novo discharging sinus of the fronto-orbital suture: a rare presentation of a dermoid cyst.

    Dermoid cysts are developmental anomalies, resulting primarily from trapped germinal epithelium. In the neck and head region, the most common location is the fronto-orbital upper outer quadrant of the orbit. Because only a few cases of dermoid cysts with discharging sinus of the fronto-orbital area have been reported in the literature, the authors present an unusual case of a frontozygomatic suture dermoid cyst, presenting as a sinus, in an 56-year-old man. The histologic report confirmed that the cystic lesion was a dermoid cyst with a tract. diagnosis and management are discussed.
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keywords = neck
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2/43. Dermal sinus with dermoid cyst in the upper cervical spine: case note.

    We describe a 5 year-old girl who had a skin dimple of the back of her upper neck. MRI showed a dermal sinus tract in the upper cervical spine, associated with an intramedullary dermoid cyst at C 2-3, and spina bifida. A laminectomy was performed, the dermoid cyst and the sinus tract were completely removed. This congenital complex is very rare.
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keywords = neck
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3/43. Dermoid (hairy polyp) of the nasopharynx.

    Dermoids or hairy polyps, the most primitive forms of teratoma are rare lesions affecting the nasopharynx. They arise during early embryogenesis, being derived from only two germinal layers, ectoderm and mesoderm and are invariably benign. They usually present at or soon after birth with signs of upper aerodigestive tract obstruction. A case of hairy polyp of nasopharynx in a neonate is reported for its rarity. The etiology of teratomas, their classification in head and neck region, clinical features, and management in neonates are discussed.
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keywords = neck
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4/43. Autosomal dominant familial frontonasal dermoid cysts: a mother and her identical twin daughters.

    A dermoid cyst is an ectodermal cyst that contains an epithelial lining as well as adnexal structures, and may occur in numerous areas of the body. The nasal dermoid accounts for 1% of all dermoid cysts and 3-12% of head and neck dermoid cysts. While there have been familial cases reported, a genetic inheritance for nasal dermoids has not been suggested. We present the first reported case of a mother and her identical twin daughters who were all found to have evidence of frontonasal dermoid cysts. Our case and a review of literature seem to implicate an autosomal dominant inheritance in certain instances of nasal dermoids.
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keywords = neck
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5/43. dermoid cyst of the maxillary sinus.

    Dermoid cysts are rare developmental teratomatous lesions composed of ectodermally derived stratified squamous epithelium and mesodermally derived skin adnexal structures. As part of the teratomatous lesion group, dermoid cysts are related to teratoid cysts, true teratomas, and epignathi. Although several theories have been postulated, the pathogenesis of dermoid cysts, and teratomatous lesions in general, is unclear. Most commonly affecting sites within the head and neck, dermoid cysts may be found in the frontotemporal/lateral brow area, central nasal area, oral cavity, lateral neck, and other sites. We present what is believed to be the first reported case arising within the maxillary sinus and briefly discuss the possible pathogenesis.
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keywords = neck
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6/43. Neonatal dermoid cyst of the floor of the mouth extending to the midline neck.

    We describe a male neonate who presented at birth with a compressible dermoid cyst that extended from the floor of the mouth to the midline of the neck. ultrasonography revealed a fluid-filled sublingual mass. magnetic resonance imaging performed when the patient was 1 week old demonstrated a 2-cm, cystic, left-sided, sublingual mass that crossed the midline without extension inferior to the mylohyoid muscle. At 3 months of age, the patient developed a 1-cm, solid, submental mass. At the time of surgery, the lesion had a fibromembranous tract that extended through the myolohyoid muscle to a 1-cm cyst in the submental region. Histologic sections depicted 2 dermoid cysts and a connecting fistula. This case represents the first report (to our knowledge) of a dermoid cyst presenting in a neonate as a mass in the floor of the mouth with extension to the midline of the neck.
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keywords = neck
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7/43. dermoid cyst of the infratemporal fossa.

    Dermoid cysts are rare benign tumours, they represent the simplest form of teratoma. Approximately seven per cent affect the head and neck region, within this region they are frequently encountered in the area of the lateral eyebrow, the orbit and the nose. A case of a 17-year-old girl who developed a rapidly growing facial swelling due to an infratemporal fossa dermoid cyst is presented. A review of the literature using medline has not revealed any previous reports of similar cases. The lesion was completely excised using a lateral approach to the infratemporal fossa.
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keywords = neck
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8/43. Physiological activity in mediastinal teratomata.

    The clinical details of two patients with benign mediastinal teratomata are presented. Both patients developed inflammation of the root of the neck, the first after a small dose of radiotherapy and the second after a larger dose of radiotherapy and exploration of the thoracic inlet. In both cases, exploration of the inflamed area was followed by persistent discharge of fluid which was sterile on culture. In the first case, this was found to have a high cholesterol, lipid, and amylase content. In both cases, a benign mixed teratoma, with contents including intestinal epithelium and pancreatic tissue, was removed at thoracotomy. The suggestion is made that leakage of digestive enzymes from pancreatic, intestinal or salivary tissue may be a cause of inflammation in and around teratomata, especially after surgical exploration. Early thoracotomy is advised when the condition is recognized.
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ranking = 1
keywords = neck
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9/43. Sublingual epidermoid cyst.

    Dermoid and epidermoid cysts are developmental pathologies that occur in the head and neck with an incidence ranging from 1.6 to 6.9%, and they represent less than 0.01% of all oral cavity cysts.Our purpose is to report a case of sublingual epidermoid cyst of the floor of the mouth. We studied and operated on an 18-year-old white male patient showing a large swelling of oral floor. His main symptoms were difficulty breathing, swallowing, and speaking. At his birth the patient's tongue was adherent to the floor of the mouth. His father had the same problem at birth. Both father and son underwent surgical separation of tongue, during the post-neonatal period.After the surgical removal of the swelling, under general anesthesia, all the patient's symptoms were missed. Histological examination of the mass confirmed the diagnosis of an epidermoid cyst. No relapse of the lesion was present in ten months of follow-up. Many theories are proposed on the etiology of the epidermoid and dermoid cyst. In this case a traumatic event can be found, such as an operation of the tongue in neonatal age. However a multifactorial origin must be assumed for justifying the fact that the patient's father did not develop a dermoid cyst although he had the same problem of an adherent tongue and was operated on.
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ranking = 1
keywords = neck
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10/43. klippel-feil syndrome associated with posterior fossa dermoid cyst. Case report.

    A patient with association of klippel-feil syndrome and posterior fossa dermoid cyst is presented. The patient, a 36-year-old man, presented with an acute obstructive hydrocephalus due to the cyst and exhibited the typical triad of the Klippel-Feil abnormality with short neck, low hairline implantation and limited neck motion along with a complex cervical vertebrae fusion. The anatomical and clinical features as well as the pathophysiology of this rare association are discussed after a review of the literature.
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ranking = 2
keywords = neck
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