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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90-120 / 1000+ resultsresearch Solitary, subcutaneous, fixed, firm, and fast-growing nodule
A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.
research Cutaneous Lymphadenoma Is a Distinct Trichoblastoma-like Lymphoepithelial Tumor With Diffuse Androgen Receptor Immunoreactivity, Notch1 Ligand in Reed-Sternberg–like Cells, and Common EGFR Somatic Mutations
Cutaneous Lymphadenoma is a unique skin tumor with specific protein markers and common gene mutations that may cause continuous cell growth.
research Desmoplastic tricholemmoma in a dog
A dog had a rare skin tumor called desmoplastic tricholemmoma.
research 311 Single-cell transcriptomics reveals distinct molecular programs in folliculotropic mycosis fungoides
Folliculotropic mycosis fungoides has unique molecular features and cell interactions that could guide targeted therapy.
research Generalized trichoepitheliomas with alopecia and myasthenia gravis: Clinicopathologic and immunohistochemical study and comparison with classic and desmoplastic trichoepithelioma
Generalized trichoepitheliomas with hair loss may indicate myasthenia gravis.
research Coexistence of a Basal Cell Carcinoma and Leiomyosarcoma
A rare case showed basal cell carcinoma and leiomyosarcoma coexisting, needing careful diagnosis and treatment.
research Trichofolliculoma With Mucinosis
A rare hair follicle tumor showed unusual high levels of mucin.
research Folliculotropic mycosis fungoides with central nervous system involvement: Demonstration of tumor clonality in intrafollicular T cells using laser capture microdissection
Folliculotropic mycosis fungoides can affect the central nervous system in advanced stages.
research Expression patterns of hair and epithelial keratins and transcription factors HOXC13, LEF1, and β‐catenin in a malignant pilomatricoma: a histological and immunohistochemical study
The malignant pilomatricoma showed strong epithelial keratin expression, suggesting it may not calcify.
research Normolipemic xanthoma associated with folliculotropic mycosis fungoides
A man with a type of skin lymphoma had unusual yellowish skin growths despite normal blood lipid levels, and treatment reduced some symptoms but not the growths.
research Cytokeratins as Markers of Follicular Differentiation
TB and BCC tumors show similar follicular differentiation patterns.
research Multiple pigmentierte Basaliome im Capillitium bei Myotonia dystrophia Curschmann-Steinert
A woman with myotonic dystrophy had multiple skin tumors on her scalp, suggesting a genetic link.
research 5a Trichoepithelioma
Trichoepithelioma and desmoplastic trichoepithelioma have distinct features that can be identified using reflectance confocal microscopy.
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 Folliculotropic Mycosis Fungoides with Skewed T-cell Receptor CDR3 Motif: Suggestive of Lipid-antigen Selection?
Lipid-antigen stimulation may play a role in folliculotropic mycosis fungoides.
research Trichoblastic Carcinoma
Trichoblastic carcinoma may be a distinct type of skin cancer different from basal cell carcinoma.
research Histochemical observations of lectin-binding sites and keratin distribution in calcifying epithelioma of Malherbe.
Tumor cells in calcifying epithelioma of Malherbe resemble hair follicle cells.
research Sox9 expression in canine epithelial skin tumors
Sox9 is present in most canine skin tumors and may help understand stem cells' role in these cancers.
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 Malignant Melanoma and Its Stromal Nonimmune Microecosystem
The surrounding tissue plays a crucial role in the growth and spread of skin cancer.
research Kinetic topographical heterogeneity in follicular thyroid neoplasms and growth patterns
Different growth patterns in thyroid tumors are influenced by where cell growth and death occur.
research Oligosecretory multiple myeloma: Unusual presentation of a rare clinical disease
A woman with a rare form of multiple myeloma had a headache and a skull mass, which led to her diagnosis after tests and a biopsy.
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 Folliculotropic CD8+ mycosis fungoides associated with diffuse mucosal involvement
A rare type of skin cancer with mucosal involvement was partially treated but eventually relapsed.
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 Distinct expression profile of stem cell markers, LGR5 and LGR6, in basaloid skin tumors
LGR5 and LGR6 are expressed differently in various skin tumors, which may offer clues about their origins.
research Pilomatricoma with Florid Osseous Metaplasia: A Cytologist’s Perspective
A rare skin tumor with bone formation was successfully removed without recurrence.
research Osseous Metaplasia and Mature Bone Formation With Extramedullary Hematopoiesis in Trichilemmal Cyst
Ossification in trichilemmal cysts is more common than previously believed.
research Follicular mucinosis: A detailed morphologic and immunopathologic study
Benign follicular mucinosis involves immune cells attacking hair follicles.