research Pathologic Quiz Case: A Nodule on the Back
The nodule on the woman's back was a benign hair follicle tumor, not cancer, but needed removal.
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research Fibrothecoma of Ovary with Virilizing Features
A rare ovarian tumor can cause unusual male-like symptoms, but surgery usually leads to a good outcome.
research Unilateral keratosis pilaris atrophicans faciei mimicking follicular mucinosis
A 19-year-old man had a rare skin condition on one side of his face that looked like another skin disease.
research Molluscum Contagiosum in an Epidermoid Cyst
Molluscum contagiosum can occur in epidermoid cysts, especially with prolonged steroid use.
research Umbilical keratinous cyst in a 7-year-old girl: A case report
A 7-year-old girl had a non-painful skin growth at her belly button, which was removed and identified as a keratinous cyst.
research Multiple congenital smooth muscle hamartoma: A case report
Early and accurate diagnosis of congenital smooth muscle hamartomas is crucial to distinguish them from other conditions.
research A Rare Case of Facial Trichofolliculoma
A rare skin bump with tiny hairs was successfully removed from a man's face.
research Pigmented Epithelioid Melanocytoma (PEM)/Animal Type Melanoma (ATM): Quest for an Origin. Report of One Unusual Case Indicating Follicular Origin and Another Arising in an Intradermal Nevus
The conclusion is that Pigmented Epithelioid Melanocytoma can start from hair follicle stem cells or from a mole on the skin.
research Generalized trichoepitheliomas with alopecia and myasthenia gravis: Clinicopathologic and immunohistochemical study and comparison with classic and desmoplastic trichoepithelioma
Generalized trichoepitheliomas with hair loss may indicate myasthenia gravis.
research Hirsutism as the initial presentation of malignant ovarian Leydig cell tumor: A case report
A woman's male-pattern facial hair growth was caused by a rare malignant ovarian tumor that was difficult to diagnose and treat.
research Immunohistochemical dissection of cystic panfolliculoma focusing on the expression of multiple hair follicle lineage markers with an insight into the pathogenesis
Cystic panfolliculoma resembles hair follicle tumors due to specific cell interactions.
research Clear cell variant of eccrine porocarcinoma of the hand: A case report
A 90-year-old woman's hand lesion was a rare, aggressive skin cancer treated successfully with surgery.
research Tricholemmoma and tricholemmal carcinoma and Cowden syndrome
Tricholemmoma is linked to Cowden syndrome and can be benign or malignant.
research A Unique Case of Pili Multigemini Complicated by Folliculitis: Unveiling the Intricacies of a Rare Hair-Follicle Disorder
A rare hair disorder with multiple hairs from one follicle was found on a patient's abdomen.
research Ovarian Hemangioma With Stromal Luteinization
The removed ovarian tumor was a rare type of blood vessel tumor that improved the patient's symptoms and hormone levels after surgery.
research Granuloma Annulare Mimicking Alopecia Mucinosa in a Child: An Atypical Presentation
Biopsy is crucial to correctly diagnose granuloma annulare, which can mimic other conditions like alopecia mucinosa.
research A rare cause of postmenopausal hyperandrogenism
A 71-year-old woman developed male-like features due to high testosterone levels caused by a benign ovarian tumor, which was successfully removed by surgery.
research Milia en plaque.
Milia en plaque can be caused by skin damage, tumors, or external factors.
research Congenital milia En plaque on scalp
A rare skin condition with cysts was found on a 5-year-old boy's scalp.
research Unusual Eyelid Dermal Keratinous Cysts of Pilosebaceous Origin
Two new types of eyelid cysts were identified, each with different treatment challenges.
research Trichofolliculoma of the Scalp: A Rare Case Report
Trichofolliculoma is a rare, benign scalp tumor that can be cured by surgical removal.
research LBMON232 A Hairy Situation: Ovarian Sex Cord Stromal Tumor As A Rare Cause Of Hyperandrogenism
A rare ovarian tumor caused high testosterone and excess hair in a woman, which was resolved after tumor removal.
research Trichofolliculoma Showing Perineural Invasion
Trichofolliculomas can sometimes be more aggressive than thought.
research A Virilizing Malignant Steroid Cell Tumor-Leydig Cell Subtype in a 24-Year-Old Palestinian Female with Challenging Histopathological and Biochemical Features: A Case Report
A 24-year-old woman had a rare ovarian tumor that caused male-pattern hair growth and was hard to diagnose and treat.
research On the Regulation of Hair Keratin Expression: Lessons from Studies in Pilomatricomas
research Merkel cell differentiation in trichoblastoma
Trichoblastomas may mimic fetal skin development by having many Merkel cells, unlike adult skin.
research A Rare Case of Proliferating Trichilemmal Tumor Treated with Radiotherapy
Radiotherapy effectively treated a large scalp tumor in an elderly woman, avoiding surgery.
research A rare cutis verticis gyrata secondary to cerebriform intradermal nevus: case report and literature review
A man's unusual scalp folds caused by a skin condition were treated with surgery and remained unchanged two years later.
research Desmoplastic tricholemmoma in a dog
A dog had a rare skin tumor called desmoplastic tricholemmoma.
research Desmoplastic melanoma presenting as primary alopecia neoplastica: a report of two cases
Two women were diagnosed with a rare melanoma that looked like hair loss but was actually a type of skin cancer.