Pilomatricoma associated with epidermoid cyst

Benharroch, Daniel; Sacks, Martin

doi:10.1111/j.1600-0560.1989.tb00006.x

Cited by 20 publications

(7 citation statements)

References 12 publications

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“…7 However, in a report of four cases of pilomatricoma associated with epidermal cysts, none had Gardner's syndrome. 8 Among our cases, there was no evidence of Gardner's syndrome.…”

Section: Discussionmentioning

confidence: 86%

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Hybrid cysts: A clinicopathological study of seven cases

2010

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Hybrid cysts develop from more than two components of the pilosebaceous unit. The pathogenesis of this unusual disease has not yet been elucidated. The aim of this study was to assess the clinical and histopathological features of hybrid cysts. Histological sections of seven cases indexed as hybrid cysts were reviewed from 1996-2009 at the Department of Dermatology, Eulji Medical Center, Seoul, Korea. Hospital charts and slides were retrospectively evaluated. All cases had a combination of an epidermal cyst and a pilomatricoma with sharp transitional zones. The epidermal cyst lining was composed of thickened stratified squamous epithelium with a granular layer. Basophilic cells, shadow cells and the contents of the pilomatricoma were present in all lesions. There were no differences in the clinical features between patients with hybrid cysts and others with single cystic lesions. There were five women and two men, ranging in age from 11 to 50 years (mean 27 years). The most common sites were the upper extremities. None of the patients had any sign of Gardner's syndrome. Hybrid cysts are an interesting pathological phenomenon. Further study is needed to analyze hybrid cysts to improve our understanding of their pathogenesis and development from tumours of the pilosebaceous unit.

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“…7 However, in a report of four cases of pilomatricoma associated with epidermal cysts, none had Gardner's syndrome. 8 Among our cases, there was no evidence of Gardner's syndrome.…”

Section: Discussionmentioning

confidence: 86%

“…7 Traumatic inoculation of the epidermis by a pilomatricoma might explain progression to an epidermal cyst. 8 The transition between a pilomatricoma and an epidermal cyst, in the same cyst, might suggest a common histogenesis. 10 However, epidermal cysts and pilomatricomas or trichilemmal cysts have distinct histopathology.…”

Section: Discussionmentioning

confidence: 98%

Hybrid cysts: A clinicopathological study of seven cases

2010

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“…The epidermoid cyst was adjacent to the pilomatricoma in three cases and within the tumor in one case. Of these four pilomatricoma, shadow cells were present in all cases, giant cells in the stroma in three cases, and basophilic cells in one 3 . In the index case, we found sheets of shadow cells along with foreign body giant cells adjacent to epidermal cyst, but there were no basaloid cells.…”

mentioning

confidence: 75%

“…Although pilomatricoma‐like changes have been reported in the epidermal cysts in patients with Gardner’s syndrome, 2 such features have not been documented in patients without Gardner’s syndrome. On extensive search of literature, we came across a single article describing pilomatricoma associated with epidermoid cyst 3 . We report an extremely rare co‐occurrence of pilomatricoma with an epidermal cyst from a 45‐year‐old man.…”

mentioning

confidence: 99%

Pilomatricoma coexistent with epidermal cyst

Pujani¹,

Agarwal²,

Goyal³

et al. 2011

Int J Dermatology

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“…Furthermore, there are reports on the associated occurrence of pilomatricoma and myotonic dystrophy [19–21]. Moreover, associations with epidermoid cysts have also been described [22]. …”

Section: Discussionmentioning

confidence: 99%

Pilomatricoma in Elderly Individuals

et al. 1998

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We report on 4 elderly patients aged 54–85 years with histopathologically diagnosed pilomatricoma who had been seen in our department from 1993 to 1997. Pilomatricoma is a rather uncommon neoplasm in middle-aged and old patients. It is much better known in children. Here, we clinically studied these 4 cases of pilomatricoma in elderly patients (above 50 years of age) to show the variety of clinical differential diagnosis and discuss the clinicopathological features. The results of the present study indicate that the differential diagnosis of pilomatricoma should also be considered in elderly individuals.

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Pilomatricoma associated with epidermoid cyst

Abstract: The clinical and pathological features of 4 cases of pilomatricoma associated with epidermoid cysts, are described. None of the cases showed features of Gardner's syndrome.

Cited by 20 publications

References 12 publications

Hybrid cysts: A clinicopathological study of seven cases

Hybrid cysts: A clinicopathological study of seven cases

Pilomatricoma coexistent with epidermal cyst

Pilomatricoma in Elderly Individuals

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