1981
DOI: 10.1002/1097-0142(19810901)48:5<1207::aid-cncr2820480526>3.0.co;2-1
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Proliferating trichilemmal cyst: A simulant of squamous cell carcinoma

Abstract: Comparison of 50 proliferating trichilemmal cysts with 50 "ordinary" trichilemmal cysts indicated that both types almost invariably occurred on the scalps of women, were diagnosed clinically as cysts, followed a benign course, and featured trichilemmal keratinization. A spectrum was observed from trichilemmal cyst with minimal hyperplasia, to full-blown proliferating trichilemmal cyst. Occasionally, patients had ordinary trichilemmal cysts on their scalps associated with a proliferating trichilemmal cyst. In a… Show more

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Cited by 155 publications
(165 citation statements)
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“…[4] Approximately 90% of patients with TCs present with scalp lesions which presents as a single lesion 1 to 10 cm in size, elastic firm to soft in consistency, over the scalp, although lesions up to 25 cm have been reported. [3] About 84% of the patients are greater than 50 years of age with predominance of females. PTC's tend to occur after the age of 60years [5] but they have been reported in individuals as young as 18 years.…”
Section: Discussionmentioning
confidence: 99%
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“…[4] Approximately 90% of patients with TCs present with scalp lesions which presents as a single lesion 1 to 10 cm in size, elastic firm to soft in consistency, over the scalp, although lesions up to 25 cm have been reported. [3] About 84% of the patients are greater than 50 years of age with predominance of females. PTC's tend to occur after the age of 60years [5] but they have been reported in individuals as young as 18 years.…”
Section: Discussionmentioning
confidence: 99%
“…[2] a b PTC is thought to originate from the trichilemmal cyst (TC) following some trauma and inflammation. [1,3] PTC's can occur de novo. Although PTC is considered biologically benign, they may be locally aggressive with potential of recurrences and malignant transformation with metastasis to lymph nodes and internal organs.…”
Section: Discussionmentioning
confidence: 99%
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“…These tumors are classified into three groups: benign, locally aggressive, and malignant [3]. Like pilar cysts, PTTs also generally present on the Scalp [4]. Other locations, although much less common, have been reported in the literature: these include the neck, trunk, groin, mons pubis, vulva, and gluteal region; the upper and lower extremities, including the elbow, the dorsum of the hand, and the index finger; the face, including the forehead, nose, eyelid, lip, and intraorally [4][5][6][7][8][9][10][11].…”
Section: Introductionmentioning
confidence: 99%