research Pathologic Quiz Case: A 69-Year-Old Man With a Brown-Black Facial Papule
A rare benign skin growth called melanocytic matricoma was identified in a 69-year-old man.
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270-300 / 1000+ resultsresearch Dysfunction of keratinocyte adhesion
Keratinocyte adhesion problems can cause skin and hair disorders.
research Unilateral nevoid hyperkeratosis of the nipple and areola in a Saudi female
Calcipotriol cream reduced skin thickening and itching in a rare nipple condition.
research Hair follicle tumors in dogs: A report of two cases
Two dogs had different types of hair follicle tumors.
research Scaling dermatosis in three dogs associated with abnormal sebaceous gland differentiation
Three dogs with a rare skin condition improved with treatment.
research Dermoscopy of pilomatricoma: A case report with a review of the literature
Dermoscopy helps doctors recognize a type of benign skin tumor called pilomatricoma.
research A Pedunculated Follicular Hamartoma: A Case Showing a Central Trichofolliculoma‐like Tumor with Multiple Trichogenic Tumors
The tumor on the man's nose was a rare type called pedunculated follicular hamartoma.
research Inherited ichthyoses/generalized Mendelian disorders of cornification
Inherited ichthyoses cause widespread skin scaling and thickening due to gene mutations.
research Ultrastructural Resemblance of Basal Cell Epithelioma to Primary Epithelial Germ
Basal cell epithelioma resembles fetal hair follicles, not adult or fetal skin.
research Onychomatricoma in the Light of the Microanatomy of the Normal Nail Unit
Onychomatricoma is a unique nail tumor that mimics the entire nail unit and is not related to other hair-related tumors.
research DP18 A mimicker of melanoma on sun-exposed sites
Melanocytic matricoma can look like skin cancer but is usually harmless; surgery and follow-up are advised.
research A case of trichogerminoma: a rare cutaneous follicular neoplasm
Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.
research Trichilemmoma.Features of keratin expression in CS-5 trichocyst system tumors.
Immunohistochemistry helps accurately identify and differentiate malignant trichilemmoma.
research Large Intragenic KRT1 Deletion Underlying Atypical Autosomal Dominant Keratinopathic Ichthyosis
A rare genetic deletion in the KRT1 gene causes unique skin symptoms in a family.
research TRICHOSTASIS SPINULOSA
Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
research Solid basal cell epithelioma (BCE) possibly originates from the outer root sheath of the hair follicle.
Basal cell epithelioma likely starts from the hair follicle's outer root sheath.
research Case of follicular mucinosis: Nestin‐expression in mucin‐producing cells
A 29-year-old man had a jaw plaque diagnosed as follicular mucinosis, linked to nestin-positive hair follicle stem cells.
research Segmental Becker’s Nevi with Mucosal Involvement
A 16-year-old boy had a rare case of Becker's nevus on his face and mouth.
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 AUTOSOMAL DOMINANT INHERITANCE OF ALOPECIA CONGENITA WITH KERATOSIS PALMO-PLANTARIS
research A rare case of woolly hair with unusual associations
The document reports a unique case of woolly hair with a combination of conditions not previously seen together.
research Keratins and skin disease
Keratin mutations cause skin diseases and could lead to new treatments.
research Trichostasis spinulosa: An overlooked entity
Trichostasis spinulosa is a common but often unnoticed skin condition involving bundled vellus hairs, especially in people with darker skin or UV exposure.
research Nagashima-Type Palmoplantar Keratosis: A Common Asian Type Caused by SERPINB7 Protease Inhibitor Deficiency
Nagashima-type palmoplantar keratosis in Asians is caused by a SERPINB7 gene mutation.
research Dermatopathology and molecular genetics
Combining skin tissue pathology with genetics has greatly improved the diagnosis and understanding of certain skin diseases.
research Biochemical and immunohistochemical analyses of keratin expression in basal cell carcinoma
Basal cell carcinoma shows keratin patterns similar to undifferentiated hair follicle cells.
research Novel mutation in PTCH1 gene in a patient with basal cell nevus syndrome and uterus bicornis
research Two Dogs with Juvenile-Onset Skin Diseases with Involvement of Extremities
The analyses helped identify different skin diseases in the two dogs.
research Activation of the OVOL1-OVOL2 Axis in the Hair Bulb and in Pilomatricoma
The genes OVOL1 and OVOL2 are important for hair growth and may be involved in a type of skin tumor.
research Giant congenital cerebriform pigmented nevus of scalp: case report
Complete removal of large scalp nevi is recommended to prevent complications.