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PubMedDate not supplied

CT and MR appearance of multiple intracranial lesions associated with suprasellar dermoid cyst.

Multiple lesions associated with suprasellar dermoid cyst are well demonstrated preoperatively on computed tomography (CT) and magnetic resonance (MR) imaging. Although the presence of multiple fatty globules in ventricles and/or subarachnoid space has been thought to be evidence of ruptured dermoid cyst, there are no signs or symptoms, including operative findings, attributable to dermoid cyst rupture in our case. The distinctive CT and MR appearance is described and possible etiology of the multiple lesions is discussed.

Adult↗
PubMed1999

[Intraorbital dermoid cyst. Apropos of a case].

Orbital dermoid cyst represents 3 to 4% of all primary orbital tumours. The intraorbital location is relatively rare. We report the case of a 9 year-old male child with an orbital dermoid cyst, who presented with progressive right proptosis, which had developed 3 months earlier. Visual acuity, ocular motility and funduscopic examination were normal. Imaging aspects (ultrasonography and computed tomography) have revealed an extraconical orbital, hypodense, well limited tumor, without bone destruction and no enhancement located at the postero-external side of the orbit. The tumors was extirpated surgically via a superior approach. Histopathology confirmed the diagnosis of dermoid cyst.

Child↗
PubMed1993

[Large dermoid cysts of the mouth floor].

Dermoid cysts of the mouth floor are very rare. The incidence of these cysts is up to 3.6% of all cysts in the oral cavity. The article presents the material from the Clinic of Maxillofacial Surgery MMA. Eleven cases of large dermoid cyst are discussed. All of them were removed completely and no recurrence developed in longer period of time postoperatively.

Adult↗
PubMed1980

The median nasal sinus and dermoid cyst.

The median nasal sinus and the dermoid cyst of the nose are relatively rare congenital anomalies. The most likely hypothesis for their ontogeny seems to be the retention of ectodermal fragments during closure of the anterior foramen of the neural tube early in embryonal development. The results of the surgical management of fourteen patients with a median dermoid cyst of the nose are discussed. Presenting symptoms were recurrent abscess formation on the dorsum of the nose, a secreting fistula in the median line of the dorsum of the nose, or meningitis. The draining site of the sinus varied less than the location of the dermoid cyst. Treatment consisted in radical excision in a quite stage, using the binocular microscope followed by primary reconstruction of nasal skeletal defects. Anomalies are due not only to development disturbances in the surrounding structures owing to the presence of the sinus and the cyst, but also to growth of the cyst and to infection. Partly for that reason, early surgical management is indicated. It should be preceded by proper radiological examination, because this can provide important clues as to the site of the dermoid cyst. If an endocranial extension has been established preoperatively, a combined ORL and neurosurgical operation is necessary.

Abnormalities, Multiple↗
PubMedDate not supplied

[Dermoid cyst of the mouth floor].

Dermoid cysts are congenital lesions deriving from the ectodermal differentiation of stem cells. They are uncommon in the floor of the mouth. We report a sublingual dermoid cyst in a 24-year-old male and review the literature.

Adult↗
PubMed2002

Clinical, radiological and pathological examination of periocular dermoid cysts: evidence of inflammation from an early age.

INTRODUCTION: Periocular dermoid cysts are common and leakage of the lipid or keratin contents leads to an inflammation-often asymptomatic-around the cyst, which may cause adherence of the dermoid cyst to neighbouring structures. PURPOSE: To investigate the frequency of clinical and radiological signs of inflammation with periocular dermoid cysts, to relate this to the histopathological examination of the excised specimens, and to assess whether the degree of inflammation is related to age at presentation. PATIENTS AND METHODS: A retrospective non-comparative series of 124 patients with periocular dermoid cysts that had undergone imaging. Case-notes were reviewed for clinical and histopathological details and there was independent review of the radiological imaging. RESULTS: Surgery was undertaken at between 1 and 66 years of age, most patients being under 10 years, and the duration of symptoms varied from 4 weeks to 30 years. Symptoms of inflammation-mainly intermittent lid swelling with localised redness and pain-occurred in all age groups, the proportion being greatest in the fourth decade. Clinical signs of inflammation at the time of clinic visit were relatively few, although 8% had some localised erythema and 7% had tenderness at the site of lesion. In more than two-thirds of the excised cysts, pathological examination demonstrated various degrees of chronic inflammation, even in those cysts removed before the age of 5 years. CONCLUSION: Even if the patient does not have symptoms or signs of inflammation, most periocular dermoid cysts show histological evidence of inflammation due to leakage of the lipid and keratin contents from the cyst, the incidence being similar at all ages.

Adolescent↗
PubMed1997

Congenital dermoid cyst of the tongue.

True dermoid cysts of the oral cavity are rare, usually presenting as midline swellings in the floor of the mouth and occasionally elsewhere in the oral cavity. This report describes the diagnosis and management of a congenital dermoid cyst of the lateral aspect of the body of the tongue in a 10-year-old girl. The theories of the pathogenesis of this cyst during embryogenesis of the tongue are also reviewed.

Child↗
PubMed2000

Carcinomatous transformation of a sublingual dermoid cyst. A case report.

Sublingual dermoid cysts are rare lesions. Typically they present as slow-growing masses that may cause elevation of the tongue, interference with speech or the appearance of a double chin. We report the first case of malignant transformation to squamous cell carcinoma of a long-standing sublingual dermoid cyst.

Adult↗
PubMed2002

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.

Adolescent↗
PubMed1976

Dermoid cysts in children.

A retrospective study of dermoid cysts in children over the past 13 years at St. Christopher's Children's Hospital of Philadelphia, showed that 37% of the dermoids in the body occurred in the orbital and peri-orbital areas. An unusually high percentage of these occurred in the left eyebrow which appears to be the most frequent location for dermoid cysts in children. Dermoid cysts are a very common lesion encountered by ophthalmologists inasmuch as 3.3% of all ophthalmic surgical procedures in children were performed for dermoids. All 231 cases in this series were benign. The manner and time of presentation of these lesions are discussed as well as the treatment.

Adolescent↗
PubMed2003

[Atypical presentation of a dermoid cyst with porencephaly].

We report a case of a dermoid cyst in the parasellar area associated with porencephaly. A 22-year-old man presented with headache and visual disturbance. Non-enhanced brain CT showed a high density mass in the parasellar area and a low density area in the left temporal lobe. On gadolinium-enhanced T1-weighted images, a partial rim enhancement was present in the parasellar region. A presumptive diagnosis of Rathke cleft cyst, craniopharyngioma, non-function pituitary adenoma, or germ cell tumor was considered. A left frontotemporal craniotomy was performed and the tumor was removed almost totally. The tumor was well-capsulated and contained whitish, milky debris. The histologic diagnosis was dermoid cyst. The temporal lobe lesion was porencephaly. The postoperative course was uneventful. Their most typical aspect is the presence of a low-density mass on CT, allowing an easy radiologic diagnosis of dermoid cyst containing lipids. Enhancement following contrast administration is uncommon. The hyperdensity may be related to the high protein content of the lesion. The hyperdense aspect of the lesion on CT, and the presence of rim enhancement made the radiologic diagnosis of a dermoid cyst difficult in this case. A case of dermoid cyst associated with porencephaly has not yet been reported in the literature.

Adult↗
PubMed2003

A possible genetic factor in the pathogenesis of ovarian dermoid cysts.

This study was undertaken in order to evaluate a possible genetic influence on the pathogenesis of ovarian dermoid cysts. We have performed a case-control study comparing the prevalence of a history of dermoid cysts in first-degree relatives of women with dermoid cysts and among first-degree relatives of women without dermoid cysts. The study group included 285 women with an established diagnosis of ovarian dermoid cysts. The control group included 378 women with sonographically normal ovaries. To assess the relationship between a first-degree family history of dermoid cysts and the diagnosis of ovarian dermoid cysts, a multivariate stepwise logistic regression model was applied. In 28 families of the study group (9.8%), a dermoid cyst was found in at least 1 first-degree relative as compared with only eight families (2%) among the controls (adjusted odds ratio -5.60; 95% CI 2.24-14.2). The data suggest a genetic predisposition towards dermoid cysts which merits further exploration.

Adult↗
PubMed1993

Dermoid cyst of the caecum.

Dermoid cysts of the caecum are rare and only four cases have been reported in the literature. They are sequestration cysts and are lined by squamous epithelium with skin appendages. Aetiologically these cysts may represent squamous metaplasia of enterogenous cysts or sequestration cysts due to epidermal inclusion at the time of closure of the neural groove.

Adult↗
PubMed1999

Sliding dermoid cyst. A case report.

Dermoid cysts of the oral cavity usually present as a solitary, painless mass in the midline or, on occasion, more laterally in the submandibular region. A patient is described who presented with a mass in the submandibular region, which could be made to appear or disappear at will. This unusual manifestation occurred as the cyst plunged around the posterior border of the mylohyoid on tensing the floor of the mouth.

Adolescent↗
PubMed2001

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.

Child, Preschool↗