Epidermoid cyst with perforation of the skull

Ambo, Midori; Kumakiri, Masanobu; Chohno, Yoshimi

doi:10.1016/s0190-9622(03)00035-5

Cited by 13 publications

(14 citation statements)

References 5 publications

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“…Headache is the most frequent symptom. The cause of punched-out bony defect of the skull is thought to be long-term continuous pressure by the cyst resulting in the bone defect called scalloping [6].…”

Section: Discussionmentioning

confidence: 99%

“…The etiologies of phalangeal epidermoid cysts are thought to be (1) traumatic and being secondary to implantation of epidermal elements into the bone [1-5, 7, 8], (2) blastomatous formations, originating from displaced neural tube epithelial cell remnants during embryonic development [2,6], or (3) iatrogenic origin related to a previous surgery, such as amputation stump [4]. In 2003, Ambo et al [6] described a case of epidermoid cyst with perforation of the skull, and hypothesized that long-term continuous pressure by the cyst resulted in a bone defect.…”

Section: Discussionmentioning

confidence: 99%

“…In 2003, Ambo et al [6] described a case of epidermoid cyst with perforation of the skull, and hypothesized that long-term continuous pressure by the cyst resulted in a bone defect. In case 2, the cause is believed to be due to traumatic introduction of epidermal tissue into bone.…”

Section: Discussionmentioning

confidence: 99%

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Intraosseous Epidermoid Cyst of Distal Phalanx of Fingers

Hsieh

Tien

Chien

2008

Scholarly Research Exchange

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Intraosseous epidermoid cysts of fingers are uncommon lesions. We reported two cases with intraosseous epidermoid cysts of distal phalanx of fingers. Case 1 was a 61-year-old woman with a swelling of the left middle finger without history of trauma. Case 2 was a 47-year-old male with a crushing injury of his right thumb. On radiographic findings, a well-circumscribed osteolytic lesion in distal phalanges was noted. Unexpectedly, histological examinations showed intraosseous epidermoid cyst.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Intraosseous Epidermoid Cyst of Distal Phalanx of Fingers

Hsieh

Tien

Chien

2008

Scholarly Research Exchange

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“…Epidermoid cysts broadly refer to cystic lesions that rise from invagination of the epidermis into deeper layers either accidentally or iatrogenically, as a complication of hair transplantation 1. Though considered benign and slow-growing, epidermoid cysts of the scalp are known to be associated with perforation of the skull2 and even the dura and the brain 3. Sebaceous cysts arise from cystic dilatation of the secretory glands of the hair follicles and in fact should be distinct from epidermoid cysts.…”

Section: Differential Diagnosismentioning

confidence: 99%

Differential diagnosis of soft scalp lumps

Leung¹

2011

Case Reports

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“…Since this lesion is away from skull sutures and regular in shape, a fibroma is unlikely, although theoretically possible. Epidermoid tumours may involve just the external surface of the skull, or may perforate it completely (Ambo et al, 2003;Cummings et al, 2004). If involving just the external surface of the skull, the lesion is often conical with a small bone nodule at the base (Campillo, 1998).…”

Section: Differential Diagnosismentioning

confidence: 99%

Trauma in the Crusader period city of Caesarea: a major port in the medieval eastern Mediterranean

Mitchell

2006

Intl J of Osteoarchaeology

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Caesarea is the first fortified city to undergo palaeopathological analysis of its Crusader period inhabitants. This study of the 12th and 13th century population aims to determine the major types of trauma present, whether from weapon injuries or accidents. Since the Crusades were known for the significant number of battles and raids that took place, weapon injuries were expected to be common. Thirteen cases of trauma are described and a highly unexpected pattern has come to light. These cases do not include one single example of weapon-related trauma. Every fracture is of a type expected from accidents or interpersonal violence without weapons. Possible explanations include the location of the city deep within Frankish territory and the robust city walls giving effective protection to the inhabitants, and also that the population were involved in activities that left them prone to accidents but not weapon injuries. The other important finding from this study was that the cases of lower limb long bone spiral fractures had healed in a near-anatomical alignment. This is not what we would expect, as a proportion of these injuries would normally have been unstable and tend to heal poorly aligned. The good position could have resulted from surgeons' use of splints to immobilise the bones while they healed. This suggestion is supported by laws of the kingdom of Jerusalem, which stated that surgeons were to be punished if they allowed such fractures to heal at an angle.

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Epidermoid cyst with perforation of the skull

Cited by 13 publications

References 5 publications

Intraosseous Epidermoid Cyst of Distal Phalanx of Fingers

Intraosseous Epidermoid Cyst of Distal Phalanx of Fingers

Differential diagnosis of soft scalp lumps

Trauma in the Crusader period city of Caesarea: a major port in the medieval eastern Mediterranean

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