Ceruminous adenoma (ceruminoma) arising in a nevus sebaceus of Jadassohn within the external auditory canal of a 3 year-old boy – A case report

Dermoscopic Analysis of Nevus Sebaceus of Jadassohn: A Study of 13 Cases

“…Several different tumors of epidermal, adnexal, and mesenchymal origin are known to arise (one or more simultaneously [24,25,26]). Benign tumors [12,27,28,29,30,31,32] are the most common neoplasms, including syringocystadenoma papilliferum, apocrine cystadenoma, trichoblastoma, trichilemmal cysts, and keratoacanthoma. Although less common, malignant degeneration [33,34,35,36,37,38,39,40,41,42,43,44,45,46,47] occurs, with a lifetime risk of 5-20%.…”

Ceruminous adenoma mimicking otitis externa

“… 1 , 2 In the literature, those tumors have been excised using a transmeatal approach with a wide margin including canal skin in order to prevent recurrence and reconstructed with a free skin flap. 7 , 8 In our case, the tumor was excised using a transcanal approach with a skin flap and no recurrence has been observed for a year after surgery. In addition, if the tumor was well encapsulated and under microscopic view, a transcanal approach with a skin flap should be the preferred surgical option.…”

Nevus Sebaceous of Jadassohn in a 13 Years Old Patient: Case Report

“…As for the treatment, removal surgery is recommended in the prepubertal stage, because of its potential malignant transformation and because the nevus is not yet fully developed and the skin is more moldable, achieving an aesthetic healing [9]. Alternative treatment modalities options include photodynamic therapy, CO 2 laser, and dermabrasion [5]. Reconstruction with grafts is sometimes necessary due to tissue loss, but this was not necessary in our patient.…”

“…With the onset of adolescence comes the second stage, when the lesion becomes vegetating and mamillonated with an increase in thickness due to hormonal influence on the sebaceous and apocrine glands. The third stage occurring in about 20 percent of the cases, usually develops after the 40 years, and emergence of tumors such as trichoblastoma, syringocystadenoma papilliferum and trichilemmoma might occur [5].…”

“…Histologically a nevus sebaceous is characterized by papillomatous hyperplasia of the epidermis and sebaceous glands. Sometimes this lesion is precursor of malignant tumors [5]. The timing of excision is also a matter of debate; with some advocating early excision and others suggesting that delayed excision is reasonable [6].…”