research A Comprehensive Approach to Hair Pathology of Horizontal Sections
A new method using visual aids to diagnose hair diseases was effective after brief training.
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30-60 / 1000+ results research Syndrome of Birt–Hogg–Dubé, a Histopathological Pitfall With Similarities to Tuberous Sclerosis
Birt–Hogg–Dubé Syndrome requires genetic testing for accurate diagnosis due to its similarities with tuberous sclerosis.
research Elastic Staining in Differentiating Between Follicular Streamers and Follicular Scars in Horizontal Scalp Biopsy Sections
EVG staining helps tell apart follicular scars from follicular streamers, aiding in diagnosing different types of hair loss.
research Special Stains and Immunohistochemical Stains in Hair Pathology
Special and immunohistochemical stains are not routinely needed for diagnosing hair disorders.
research Adenolipoma—Eccrine and Apocrine Variants With Evidence for a Hamartomatous Process
Adenolipomas may develop from gland entrapment by fat tissue, showing complex and varied forms.
research Dickkopf-1 Expression in Androgenetic Alopecia and Alopecia Areata in Male Patients
DKK-1 gene linked to hair loss in AGA and AA patients; more research needed for potential therapy.
research Histopathologic Findings of Cutaneous Hyperpigmentation in Addison Disease and Immunostain of the Melanocytic Population
The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
research Molluscum Contagiosum in an Epidermoid Cyst
Molluscum contagiosum can occur in epidermoid cysts, especially with prolonged steroid use.
research Differentiation and Apoptosis in Pilomatrixoma
Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
research Nail Matrix Pathology in Cronkhite–Canada Syndrome: The First Case Report
Inflammation may cause nail issues in Cronkhite–Canada Syndrome.
research Eccrine Duct Dilation as a Marker of Cicatricial Alopecia
Enlarged sweat gland ducts may indicate scarring hair loss.
research Alterations in Hair Follicle Morphology and Hair Shaft Production After Follicular Unit Transplantation
Hair transplants can make hair follicles larger and hair shafts thicker.
research Punctate Follicular Porokeratosis
Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.
research Cutaneous Keratocyst and Steatocystoma Unified as Sebaceous Duct Cyst, a Hamartoma Resembling the Sebaceous Duct
Cutaneous keratocyst and steatocystoma should be called "sebaceous duct cyst" due to their similarities.
research Pili Trianguli et Canaliculi Is a Defect of Inner Root Sheath Keratinization
The hair defect is due to abnormal inner root sheath keratinization.
research 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.