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PubMed1999

Temporal dermoid cyst with a partial dermal sinus tract.

BACKGROUND: Cranial dermal sinuses are rare and occur most frequently in the posterior fossa and along the midline. Likewise, supratentorial dermoid cysts are very uncommon. METHOD: We report a unique case of an adult female patient with both a supratentorial dermoid cyst and an incomplete dermal sinus tract. RESULTS: The patient is a 31-year-old female, who presented with a new onset complex partial seizure. Neuroimaging and surgery revealed a right superior temporal dermoid cyst with an associated dermal sinus tract. Furthermore, the dermal sinus tract was incomplete and had no cutaneous manifestations. CONCLUSION: We present a rare patient with an off midline supratentorial dermoid cyst associated with a uniquely incomplete cranial dermal sinus tract. The dermal sinus tract involved the bone, dura and intradural compartment, without involving the overlying skin. This represents a novel variant in the spectrum of cranial dermal sinus abnormalities.

Adult↗
PubMed2001

[Dermal sinus and dermoid cyst revealed by abscess formation in posterior fossa. Report of 2 pediatric cases and review of the litterature].

Cranial dermal sinus, usually associated with dermoid cyst, is the persistance of an abnormal embryonal communication between the skin and the central nervous system. It may be the source of intracranial infection, most often a meningitis and rarely an abscess formation. Two cases of little girls (18 months and 2 years) having dermal sinus with dermoid cyst revealed by cerebellar abscess formations are reported. In the first case there were multiple cerebellar abscesses with hydrocephalus leading to a raised intracranial pressure. In the second case there was an abscess formation adjacent to the dermoid cyst. CT scan showed cysts and abscesses but MRI, achieved in the second case, was useful in demonstrating the sinus tract as well as the associated cyst and abscess. The two patients underwent a posterior fossa surgery with antibiotic therapy. In the first case abscess drainage and ventricular external drainage were necessary before sinus and cyst excision. Two months after surgery the two patients were neurologically intact and developping well. Surgery with total excision of dermal sinus and dermoid cyst, even sometimes difficult, must be preferred to the simple abscess drainage and antibiotic therapy.

Abscess↗
PubMed2000

Chronic inflammation in dermoid cysts: a clinicopathologic study of 115 patients.

PURPOSE. To analyze the frequency, pattern, and extent of chronic inflammation in orbital and periorbital dermoid cysts and to correlate these findings with clinical data. PATIENTS AND METHODS. We reviewed the clinical and histopathologic data of 115 consecutive patients with histopathologically confirmed orbital or periorbital dermoid cysts between 1980 and 1998. RESULTS. Sixty-one patients were male and 54 female. Their mean age at the time of surgery was 13 years. The lesion was located superotemporally in 71% of the patients. Patients presented most commonly with a palpable mass without clinical signs of inflammation. The mean cyst volume was 1276 mm(3) (range: 72 to 9900 mm(3)). Histopathologically, 50 lesions (43%) showed chronic granulomatous inflammation of the cyst wall. In 16% of them, the inflammatory response completely replaced the epidermal elements and the normal architecture of the cyst wall. Nine lesions showed spread of granulomatous cell infiltration to the surrounding tissue. Granulomatous inflammation was detected more frequently (p<0.001, chi-square test) with increasing age in patients younger than 30 years, being found in 25% of the patients aged 5 years or younger and in 80% of the patients between 16 and 30 years of age. It was also more common (p<0.001, chi-square test) in cysts larger than 1000 mm(3). CONCLUSION. The frequency of chronic granulomatous inflammation of dermoid cysts and its correlation with patient's age and cyst volume suggest that patients should be operated before the age of five years and that large dermoid cysts (>1000 mm(3)) should be removed early.

Journal Article↗
PubMed1998

Dermoid cyst of the parotid gland.

A dermoid cyst occurring within the parotid gland of a 37-year-old Chinese man is reported. The diagnostic difficulties, histopathological features and pathogenesis are considered.

Adult↗
PubMed2004

Angular dermoid cysts in the endoscopic era: retrospective analysis of aesthetic results using the direct, classic method.

The concept of the endoscopic approach was recently introduced for the removal of angular dermoid cysts. Therefore, it was considered necessary to evaluate the conventional direct incisional approach for angular dermoid cyst excision, with respect to long-term aesthetic results and complications. The need to change from the direct excisional technique to the endoscopic approach in hair-bearing areas was investigated. During a 25-year period, 95 children were surgically treated by a single surgeon (H.G.T.) for removal of angular dermoid cysts. Only 22 patients (23 percent) were available for reassessment. The follow-up periods after the excisional procedure were 1 to 12 years. Assessments were performed by a 15-member team of assessors, who scored the aesthetic results of the scars with comparative slides. In addition, a questionnaire was mailed to each family, to document the family members' perceptions of the aesthetic appearance of the scar. Twenty-eight families (29 percent) responded. The complications were determined through the medical records department. For 19 of 22 patients (86 percent), the scar was scored by 85 percent of the assessors as excellent or good. No assessor stated that a scar was unacceptable. In the family questionnaires, 26 of 28 families (93 percent) reported an excellent scar and two (7 percent) reported a fair scar. No family stated that the scar was unacceptable. The operative notes for the 95 patients revealed that only two cysts had ruptured during the surgical procedure (2 percent) and only one infection had occurred (1 percent). No other major complications were reported. It is concluded that the direct method for dermoid cyst excision is an excellent approach, with a low complication rate and a very high aesthetic success rate, when performed through a supra-eyebrow or infra-eyebrow incision.

Child↗
PubMed1995

Shadow cells in an intracranial dermoid cyst.

A case of an intracranial dermoid cyst containing shadow cells is presented. This case expands the group of lesions in which shadow cells, indicative of hair matrical differentiation, have been described.

Adult↗
PubMed2003

Simultaneous occurrence of sublingual dermoid cyst and oral alimentary tract cyst in an infant: a case report and review of the literature.

The simultaneous occurrence of sublingual dermoid cyst and oral alimentary tract cyst is very rare. A literature search revealed only two previous cases and one other, where a dermoid cyst was associated with a gastrointestinal microcyst in its cyst wall. We report a case of a six-week-old Caucasian boy, who presented with swelling of the tongue and floor of mouth, which interfered with his normal feeding and swallowing. The swelling was rapidly increasing in size and had become an airway threat. Magnetic resonance imaging (MRI) scans revealed the presence of a lobulated lesion arising in the region of the floor of the mouth on the left and a further lobule which actually invaded the soft tissues of the inferior aspect of the tongue. These two cystic lesions were excised surgically via an intraoral approach and the infant made a complete recovery postoperatively, with resumption of normal feeding and swallowing. The differential diagnoses and approach to sublingual swellings are discussed and the importance of prompt treatment is emphasized.

Cysts↗
PubMed2002

Unusual CT features of dermoid cyst in the posterior fossa.

A dermoid cyst of the posterior fossa in a 73-year-old man is reported. The presentation of the cyst was unusual because of the age of the patient, the spontaneously hyperdense aspect of the mass on CT, the partial rim enhancement of the lesion, and the presence of perilesional edema. On pathologic examination, the cyst contained small amount of fat, hairs, necrosis, and small areas of hemorrhage. The amount of hemorrhage found could not explain the spontaneous hyperdensity of the lesion found on CT. The hyperdensity may be related to high protein content of the lesion.

Aged↗
PubMed1985

The sublingual dermoid cyst. Report of five cases and review of the literature.

Dermoid cysts are commonly found throughout the body. However, they occur only rarely in the oral cavity; most commonly they are sublingual. This article reviews five cases of sublingual dermoid cyst, which have been the only ones seen in the diagnostic indices of the Royal Dental Hospital, Leicester Square, the Middlesex Hospital, and Queen Victoria Hospital, East Grinstead.

Adolescent↗
PubMed1998

Diagnostic and therapeutic approach of dermoid cysts: retrospective study of 30 cases.

Dermoid cysts are benign tumours affecting young patients that can derive benefits from conservative and minimally invasive surgery. MRI and endovaginal sonogram appear to be useful tools in the pre-operative selection for this surgery. Tumour markers are definitely indicated for postmenopausal patients whereas they appear less useful in young patients. With adequate pre-operative selection, both conservative and minimally invasive surgery can be applied with a clear benefit for the patient.

Adult↗
PubMed1988

Intraspinal epidermoid and dermoid cysts. Surgical results of seven cases.

Seven cases of intraspinal inclusion cysts, surgically treated between 1970 and 1984, are reported in this paper. Four were epidermoid cysts and three dermoid. Two cysts were located in the thoracic spine (one dermoid and one epidermoid) and five in the lumbosacral region (three epidermoid and two dermoid). Associated spinal dysraphia was noted in five cases. Congenital dermal sinus was found in two cases, spina bifida cystica in one, spina bifida occulta in one, and diastematomyelia in one case. The average postoperative follow-up period was 5 years. No neurological symptoms were found in the five patients who received early surgical treatment, but for the two patients whose operations were late, there were some residual neurological deficits. Therefore, early and accurate diagnosis and radical surgical extirpation are emphasized.

Adult↗
PubMed1995

Granulosa cell tumor and dermoid cyst--report of one case.

Granulosa cell tumor combined with dermoid cyst in the same ovary is extremely rare. This report describes such a case in a 55-year-old postmenopausal woman presenting with left lower abdominal pain. The resected fist-sized left ovary disclosed a dermoid cyst containing a mural nodule which was found to be a sarcomatoid granulosa cell tumor histologically. She has been disease free for two years after the operation.

Dermoid Cyst↗
PubMed2000

Superior oblique muscle palsy in a patient with orbital dermoid cyst.

We describe the clinical and radiologic findings and surgical outcome of an orbital dermoid cyst causing a superior oblique muscle palsy in a child. Superior oblique muscle palsy in childhood is most often congenital. Less common causes are trauma, vascular lesions, neoplasms, and infections.(1,2) The most common orbital lesions in children are dermoid and epidermoid cysts.(3-5) A dermoid cyst at the region of trochlea is suspected as the cause of superior oblique muscle palsy in our case. This unusual presentation of a dermoid cyst has not been reported previously.

Child, Preschool↗
PubMedDate not supplied

Correction of bone deformity after resection of dermoid cyst using artificial dermis implantation.

We report cases of the dermoid cyst patients with a bone deformity that were treated with artificial dermis implantation. After resecting the tumor, three or five sheets of artificial dermis (Terudermis, Terumo Co. Ltd, Tokyo, Japan) are placed into the depressed site in order to create symmetrical surface with the contralateral side. Neither of the cases presented here showed allergic or infectious reaction during postoperative follow-up period. In both cases, the texture of the implanted region is almost the same as the contralateral side and is almost symmetrical. We believe that artificial dermis may be a useful implantation material to correct depressions in the patient with dermoid cysts.

Adolescent↗
PubMedDate not supplied

Retrorectal dermoid cyst in a male adult: case report.

We describe a 48-year-old male patient who presented with rectal fullness and pain. Magnetic resonance imaging (MRI) and computed tomographic studies revealed a noncalcified, unilocular, cystic mass lesion with well-defined borders. On MRI nondependent fat spheres were detected inside the cyst. The same pattern has been described in dermoid cyst of the ovary. We suggest that this MRI pattern is specific to dermoid cysts.

Dermoid Cyst↗
PubMed1998

Ovarian dermoid cyst leakage--a cautionary tale.

This case illustrates that when a dermoid cyst is punctured, an immediate operative laparoscopy or laparotomy should be performed, along with lavage, to avoid the problems associated with dermoid cyst contents spillage.

Adult↗