The presence of melanin pigment and/or melanocytes in pilomatricoma has been rarely documented. In this study, we analyzed the incidence and clinicopathological features of pigmented pilomatricoma. Fifty-seven consecutive pilomatricoma cases from 53 Japanese patients were examined in this study. In fourteen cases (24.6%), pigmentation was observed in pilomatricoma. This variant equally affected...

Chondroid syringoma is a rare benign, skin appendageal tumor, also known as mixed tumors of the skin. The clinical presentation of chondroid syringoma is non-specific, and the diagnosis is made histopathologically. A case of a 74-year-old man presented with an asymptomatic 1.3-cmsized, firm, skin-colored, subcutaneous nodule of 8 years’ duration on the superior helical rim of the left ear. Stre...

Pilomatricoma or benign calcifying epithelioma of Malherbe is a benign appendageal tumour originating from primitive cells of the hair matrix. Perforation (transepidermal elimination), bullous or anetodermic cutaneous changes overlying pilomatricomas are rare events. In this report, we describe a case of pilomatricoma with bullous appearance or secondary anetoderma. The tumour was totally excis...

BACKGROUND Although histological diagnosis of pilomatricoma is not difficult because of its unique histological features, cytological diagnosis through fine-needle aspiration cytology (FNAC) is often problematic due to misdiagnoses as malignancy. METHODS We reviewed the cytological features of 14 cases of histologically-proven pilomatricoma from Korea Cancer Center Hospital, with a discussion...

Pilomatricoma, although rare, is the second most frequent benign skin tumor in childhood. It is a hard, painless, slowly progressing subcutaneous tumor that is commonly located in the head-neck region, especially periorbital, and in the upper extremities. Histopathologic characteristics are distinctive. In this study, we performed a retrospective review of the records of our pediatric patients ...

Pilomatricoma is a benign skin adnexal tumour usually seen in the head and neck region of children and young adults. It is underrecognized on cytology, resulting in the overdiagnosis of malignancy. We bring forth a case report of a slow growing nodular swelling in a 10-year-old female child, which was misdiagnosed on Fine Needle Aspiration Cytology (FNAC) as a malignant neoplasm and found to be...

Pilomatricoma is a commonly misdiagnosed, rare, benign skin tumor of the hair follicle matrix. Difficulties persist in the clinical and cytological diagnosis of this lesion inspite of vast increase in the understanding of this entity since 1880. This study was undertaken to improve the preoperative diagnosis of pilomatricoma by analyzing the clinical features and cytological features wherever a...

Background and Objectives Pilomatricoma is a frequently diagnosed skin lesion of the head neck that may often be misdiagnosed as other lesions. This study evaluated whether ultrasonography (USG) or computed tomography (CT) most helpful imaging modality for accurate preoperative diagnosis pilomatricoma in regions children adolescents.Subjects Method A retrospective review was conducted 59 patien...

Pilomatricoma was first described in 1880 by Malherbe as a calcifying epithelioma, but this later changed to benign tumour arising from the hair follicle matrix cells. It typically presents firm, painless well-circumscribed mass children. They are most commonly found head and neck, particularly peri-auricular area. slow growing asymptomatic, generally appearing solitary multiple lesions can be ...