research Pili Trianguli et Canaliculi Is a Defect of Inner Root Sheath Keratinization
The hair defect is due to abnormal inner root sheath keratinization.
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240-270 / 1000+ resultsresearch Frontal Fibrosing Alopecia Involving the Limbs Shows Inflammatory Pattern on Histology: A Review of 13 Cases
Frontal fibrosing alopecia on limbs shows permanent inflammatory hair loss, not typical scarring.
research A New Histologic Pattern in 6 Biopsies From Early Frontal Fibrosing Alopecia
Researchers found a new early sign of Frontal Fibrosing Alopecia that could help avoid misdiagnosis.
research A Case of Onycholemmal Carcinoma in a 77-Year-Old Man
The man died from lung cancer, not the rare nail tumor.
research Amyloid-Associated Alopecia: A Reappraisal Including Its Pathophysiology
Amyloid deposits linked to a type of protein may cause a unique pattern of hair loss by disrupting hair growth cycles.
research Adipose Infiltration of the Dermis, Involving the Arrector Pili Muscle, and Dermal Displacement of Eccrine Sweat Coils: New Histologic Observations in Frontal Fibrosing Alopecia
The conclusion is that fat tissue in the skin is a new finding in Frontal fibrosing alopecia and may contribute to hair follicle and muscle degeneration.
research Premature Desquamation of the Inner Root Sheath in Noninflamed Hair Follicles as a Specific Marker for Central Centrifugal Cicatricial Alopecia
Early shedding of the inner root sheath in noninflamed hair follicles is a relatively specific sign of Central Centrifugal Cicatricial Alopecia.
research CD34 and BerEP4 Are Helpful to Distinguish Basaloid Tricholemmoma From Basal Cell Carcinoma
BerEP4 and CD34 staining can help tell apart tricholemmoma from basal cell carcinoma.
research Hair Follicle Miniaturization in a Woolly Hair Nevus
The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
research Tick Bite Alopecia: A Report and Review
A tick bite caused temporary hair loss in a man, which is a rare condition that usually gets better within 3 months.
research Lichen Planopilaris With Foreign-Body Granuloma
Foreign-body granuloma may be a marker for late-stage Lichen Planopilaris and should be considered in diagnosis.
research Controversial Concepts
The author now believes tricholemmal carcinoma is a rare type of infundibular squamous cell carcinoma and more research is needed on these tumors.
research Trichofolliculoma With Mucinosis
A rare hair follicle tumor showed unusual high levels of mucin.
research Naked Hair Shafts as a Marker of Cicatricial Alopecia
Naked hair shafts are significantly associated with scarring hair loss and may help diagnose it, especially when multiple are found.
research Dilation of Multiple Eccrine Ducts as a Highly Specific Marker for Cicatricial Alopecia
Widened sweat ducts are a very specific sign of scarring hair loss.
research Coexistence of a Basal Cell Carcinoma and Leiomyosarcoma: An Unusual Collision Tumor
Recognizing rare tumor combinations is crucial for accurate diagnosis and treatment.
research Sarcoidosis Presenting as Frontal Fibrosing Alopecia: A Master Mimicker or a Coincidental Finding?
Sarcoidosis can mimic other skin disorders, making diagnosis challenging.
research Hybrid Eccrine Gland and Hair Follicle Hamartoma
A rare skin growth in a baby was successfully removed without coming back.
research Osseous Metaplasia and Mature Bone Formation With Extramedullary Hematopoiesis in Trichilemmal Cyst
Ossification in trichilemmal cysts is more common than previously believed.
research Congenital Combined Melanocytic Nevus of the Scalp With Associated Alopecia Areata
A man with a birthmark on his scalp developed hair loss that improved with treatment, but the link between the birthmark and hair loss was unclear.
research Cutaneous Mastocytosis Associated With Congenital Alopecia
A 3-year-old girl with skin mast cell buildup and congenital baldness improved with treatment, suggesting a rare link between these conditions.
research D2-40 Expression in Primary Scarring and Nonscarring Alopecia
Most people with scarring and nonscarring hair loss show similar D2-40 levels, but some with scarring hair loss have higher levels.
research Central Centrifugal Cicatricial Alopecia Associated With PDL1 Loss and Increased Expression of Caspase 3: A Case Series
CCCA may involve the PD1/PDL1 pathway and increased caspase 3, leading to permanent hair loss.
research Trichilemmal Cysts With Divergent Ductal Differentiation: A Series of 4 Cases
Sweat duct differentiation in trichilemmal cysts is very rare and can be successfully removed with surgery.
research Follicular Hybrid Cyst With Isthmic-Catagen, Pilomatrical, and Syringocystadenoma Papilliferum Components
A rare neck cyst in a 47-year-old man showed diverse skin cell types and was not linked to HPV.
research Nevus Lipomatosus Superficialis With Dilated Hair Follicles
Accurate diagnosis of NLS with dilated hair follicles is crucial to distinguish it from other conditions.
research Horn With Miliary Calcification in Squamous Cell Carcinoma
A unique case of skin cancer showed unusual calcification, possibly linked to calcium-binding proteins.
research Perifollicular Microscarring in Alopecia Areata and Pattern Hair Loss
Microscarring is found in both alopecia areata and pattern hair loss, suggesting a shared cause.
research Utility of trichoscopy
Trichoscopy helps diagnose and monitor hair and scalp problems without needing many biopsies.
research A Case of Cutaneous Focal Mucinosis With Follicular Induction
A man with a skin nodule was diagnosed with a rare skin condition called cutaneous focal mucinosis, which can be confused with other skin cancers.