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.
Search
for
Sort by
Research
840-870 / 1000+ resultsresearch 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 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 A Woman With Nodules and Depressed Scars
The woman has a skin condition involving nodules, scars, and hair loss.
research A case of localized follicular hamartoma: an ultrastructural and immunohistochemical study
The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.
research Localized trichorrhexis nodosa
Localized trichorrhexis nodosa is a hair condition where hair becomes fragile and breaks easily due to damage.
research Subepidermal Calcified Nodule
A calcified nodule on a boy's face came from hair follicles and expelled calcium through the skin.
research Rippled‐pattern trichomatricoma
A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
research Sebaceous Trichofolliculoma -A Case Report-
An 18-year-old boy had a harmless skin nodule near his nose with hair and oil glands inside.
research Generalized trichorrhexis nodosa
The hair disorder was caused by abnormal protein formation, making hair easily damaged.
research Panfolliculoma: report of two cases
Panfolliculoma is a rare, non-cancerous growth related to hair follicles.
research Trichoadenoma of Nikolowski- A Rare Tumour with Unusual Presentation Over Vulva
A rare hair follicle tumor was found on a woman's vulva.
research Tumors of the follicular infundibulum
Benign tumors from hair follicles can look like other skin cancers but have distinct features under dermoscopy.
research Trichoblastic Carcinoma
Trichoblastic carcinoma may be a distinct type of skin cancer different from basal cell carcinoma.
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 Hairy nodule: A rare case report
A woman had a rare, non-cancerous skin growth on her face, which was removed and did not come back after a year.
research Expression of type I hair keratins in follicular tumours
Pilomatrixomas likely originate from the hair matrix due to changes in hair keratin expression.
research Stereographic analysis of syringomas
Syringomas likely start in the upper dermis and form distinct luminal structures.
research Cylindroma as Tumor of Hair Follicle Origin
Cylindromas likely originate from hair follicle stem cells, not sweat glands.
research Epidermal cyst containing numerous spherules of keratin
The cyst had unusual keratin spherules and resembled bone marrow.
research CD10 immunohistochemistry in prurigo nodularis
research Hair Matrix Cyst
Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
research Solitary Nasal Fibrofolliculoma
A rare, harmless skin tumor was found on a man's nose.
research Rare Diagnosis of a Proliferating Pilar Tumor in a Facial Hairline Cryst
The lump on a woman's scalp was a rare, potentially cancerous tumor from the hair follicle, not a common cyst.
research An unusual variant of granulomatous adnexotropic cutaneous T-cell lymphoma
A rare type of skin lymphoma was identified, affecting hair follicles and sweat glands.
research Multiple desmoplastic trichoepitheliomas with ossification and cholesterol deposition
A man had rare skin tumors with bone formation and cholesterol deposits.
research Folliculosebaceous Cystic Hamartoma with Spindle Cell Lipomatous and Neural Components
A woman had a unique skin growth with hair follicle, oil glands, fat cells, spindle cells, and nerve fibers.
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 Dual Tumors — Trichoadenoma of Nikolowski and Melanocytic Naevi
A person had two different benign skin tumors, a trichoadenoma and melanocytic naevi, at the same time but in different places on the face.
research Nevus lipomatosus cutaneous superficialis with perifollicular fibrosis.
A rare skin condition in a baby showed unusual fat and hair follicle changes.