research Giant pigmented tumour of the scalp—a diffuse neurofibroma or a congenital naevus showing neurofibromatous changes? Immunohistochemical and electron microscopic studies
The tumor likely shows dual neural crest differentiation.
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420-450 / 1000+ resultsresearch Differentiation and Apoptosis in Pilomatrixoma
Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
research Bilateral ovarian steroid cell tumor in a postmenopausal woman with progressive hyperandrogenism
Surgery removed ovarian tumors, normalizing testosterone and improving symptoms.
research Differentiating pulmonary lymphangioleiomyomatosis from pulmonary langerhans cell histiocytosis and Birt-Hogg-Dube syndrome
Radiological findings help distinguish LAM, PLCH, and BHD to avoid invasive tests.
research Alopecic and aseptic nodules of the scalp: A new case with a systematic review of the literature
Alopecic and aseptic nodules of the scalp are rare, treatable, and often resolve with doxycycline or on their own.
research Trichilemmal carcinoma metastatic to parotid gland: First report of fine needle aspiration cytology features
Trichilemmal carcinoma can spread to the parotid gland and be diagnosed using fine-needle aspiration cytology.
research Incidental Clear Cell Syringoma of the Scalp in a Patient With Lichen Planopilaris
A woman with hair loss had a benign sweat duct tumor found during a scalp biopsy.
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 Folliculosebaceous cystic hamartoma with hair shaft fragments.
A rare ear cyst contained hair fragments.
research Basal Cell Carcinoma With Matrical Differentiation: Expression of .-catenin and Osteopontin
Basal cell carcinoma with matrical differentiation is a rare type linked to hair follicles, with .-catenin important for its development.
research Skin tumors with matrical differentiation: lessons from hair keratins, beta‐catenin and PHLDA ‐1 expression
Matrical tumors share a common growth mechanism involving the Wnt pathway and consistent PHLDA1 expression.
research Nevus comedonicus with lesional growth of terminal hair: An unusual case
Nevus comedonicus can sometimes grow terminal hair, challenging previous beliefs.
research Pearly Pinna Papules in a Young Female
The young woman has a benign, hereditary skin condition with no signs of a more serious syndrome.
research Multiple, hereditary dome-shaped papules and acrochordons. Birt-Hogg-Dube syndrome
The boy likely has a fungal infection causing hair loss.
research Nevus comedonicus
Nevus comedonicus is a rare skin condition with grouped open pores, sometimes linked to other body issues.
research Alopecic and Aseptic Nodules of the Scalp/Pseudocyst of the Scalp: Clinicopathological and Therapeutic Analyses in 11 Korean Patients
The research provided insights into the presentation and management of alopecic and aseptic nodules of the scalp.
research S1:05 Cutaneous lupus subtypes: the tissue response influences the phenotype
research Bullous pilomatrixoma: Without a “Shadow” of doubt – Role of ROSE and cytology
Fine needle aspiration with rapid on-site evaluation is useful for diagnosing pilomatrixoma.
research Genetics of thyroid lesions updated
RET mutation is important in familial medullary thyroid carcinoma, and BRAF mutation in papillary thyroid carcinoma is linked to more aggressive cancer and higher death rates.
research Study of clinicohistopathological correlation of skin adnexal tumours
Benign skin adnexal tumors are more common than malignant ones, with trichoepithelioma and chondroid syringoma being the most frequent types.
research JAAD Grand Rounds quiz∗
The document explains the diagnosis and characteristics of woolly hair nevus and alopecia neoplastica.
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.
research Subtle Trichilemmal Carcinoma of Neck Initially Misdiagnosed as Benign Cyst and Ultimately Treated with Mohs Micrographic Surgery
A neck lesion misdiagnosed as benign was later treated successfully with Mohs Micrographic Surgery.
research Acquired hypertrichosis lanuginosa: Case report and review of the literature
A woman with breast cancer developed a rare condition causing excessive fine hair growth on her face and body.
research Ductal breast cancer in a male patient
An 86-year-old man with prostate cancer was diagnosed with a rare, low-grade breast cancer and underwent surgery but declined additional hormone therapy.
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 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.
research A Rare Case of Steroid Cell Tumor, Not Otherwise Specified (NOS), of the Ovary in a Young Woman
A young woman's rare ovarian tumor was successfully removed, improving her hormonal symptoms.
research Basement membrane Laminin and Type IV Collagen in Various Benign and Malignant Adnexal Tumors of the Skin: An Immunohistochemical Study
research Generalized Asymptomatic Cutaneous Pits and Comedones in a Young Woman
The woman has a rare skin condition called follicular Dowling-Degos disease, which has limited treatment options.