Background: Pilomatrixoma is a benign neoplasm derived from hair follicles, and it rarely happens. Some cases were misdiagnostic with another skin lesion. One of them was squamous cell carcinoma (SCC). This study aimed to describe the pilomatrixoma pathology description carcinoma.
 Case presentation: A man, 72 years old admitted hospital chief complaint lump on his chin that penetrated int...

Pilomatrixoma is a rare benign tumor. Several special types of pilomatrixomas have been discovered, e.g. bullous pilomatrixoma and perforating pilomatrixoma. Here, we reported one of its special types. A 14 y old Chinese girl presented to our hospital with a six-month history of cystic mass on her right upper arm after a mosquito bite. A histopathological diagnosis was pilomatrixoma after compl...

Pilomatrixoma, a benign skin appendageal tumor, is seen commonly in head and neck. Occurrence of pilomatrixoma in the upper extremities is not common and has been reported infrequently in the available literature. Only a few cases with preoperative aspiration cytology have been reported in the literature. A five-year-old girl underwent fine needle aspiration (FNA) of a firm subcutaneous nodule ...

Pilomatrixoma is an uncommon neoplasm which occurs most frequently in the head and neck region. It usually presents as a slowly growing dermal or subcutaneous mass. Unfamiliarity with this lesion may lead the physician to mistake it for more common infectious or neoplastic processes. Most pilomatrixomas are benign and are adequately treated by local excision. Since a spectrum of clinical and hi...

Pilomatrixoma is a rare benign tumor, which usually affects young women in the head and neck region. The eyelid is a common site of the disease, though it is very rare in the tarsal conjunctiva. The pilomatrixoma has clinical pleomorphism, which confuses this disease with other similar conditions. The diagnosis is made by pathological examination in most cases. The treatment is surgical, perfor...

CASE REPORT A 32-year-old man developed a lesion, over a period of 1 year, at the margin of the right upper eyelid. The presumed diagnosis was a pyogenic granuloma. An excision biopsy was performed and the histopathologic diagnosis was a pilomatrixoma. DISCUSSION Eyelid pilomatrixoma is commonly misdiagnosed preoperatively and is extremely rare in middle-aged patients.

Although pilomatrixomas are well known among dermatologists and dermatopathologists, head and neck surgeons confronted with these lesions in the infra-auricular region do not consider this benign neoplasm in the differential diagnosis. Aggressive pilomatrixoma is a benign tumor of the hair matrix cells affecting mainly children. Histologically, the border between aggressive pilomatrixoma and pi...

Malherbe and Chenantais were the first to report a pilomatrixoma in 1880. They described a calcifying epithelioma, believing it to be a sebaceous gland tumor. Since 1905, this uncommon neoplasia has been called Malherbe’s calcifying epithelioma. Numerous studies suggest that this tumor stems from the external sheath of hair follicles. In 1961, Forbis and Helwig proposed the term pilomatrixoma, ...

Pilomatrixoma is a benign tumor of hair follicle matrix cells. The majority of all pilomatrixomas were reported to affect the head-neck region and rarely the upper extremity. We present a case of left-leg pilomatrixoma, which is a extremely rare localization, in a 10-year-old boy.

Pilomatrixoma is an uncommon benign tumor arising from hair follicles. They occur most commonly in the head and neck region, and are usually found in girls during the first two decades of life. These tumors may contain calcification, which, when present, is helpful in suggesting the diagnosis. We present a classic case of pilomatrixoma in the cheek of a young woman. The tumor was documented on ...