research Reproductive System, Male
The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.
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research Sertoli-Leydig tumor in a 17-year-old girl: a case report
A 17-year-old girl was diagnosed with a rare ovarian tumor, emphasizing the need for fertility preservation and psychosocial care.
research Malignant appearance of trichilemmal cyst: a case report with review of the literature
A man's neck lump was a trichilemmal cyst, not cancer, and should be fully removed due to rare risk of becoming malignant.
research Dihydrotestosterone Induces Proliferation, Migration, and Invasion of Human Glioblastoma Cell Lines
Dihydrotestosterone increases growth and spread of human brain cancer cells, and blocking its formation might help treat this cancer.
research Interparietal nodule in a 49‐year‐old woman
A rare scalp tumor was removed from a 49-year-old woman, with a good outlook if benign but needing careful monitoring if malignant.
research A rare case of poorly-differentiated endometrial carcinoma in a female-to-male transgender man on testosterone therapy
Transgender men on testosterone therapy need ongoing gynecologic care due to potential cancer risks.
research Dihydrotestosterone Induces Proliferation, Migration, and Invasion of Human Glioblastoma Cell Lines
Dihydrotestosterone (DHT) promotes the growth and spread of aggressive brain tumor cells.
research A Virilizing Malignant Steroid Cell Tumor-Leydig Cell Subtype in a 24-Year-Old Palestinian Female with Challenging Histopathological and Biochemical Features: A Case Report
A young woman had a rare, aggressive ovarian tumor that was hard to diagnose and treat, leading to disease progression despite treatment.
research Virilism and Ectopic Expression of HSD17B5 in Mature Cystic Teratoma
A woman's mature cystic teratoma caused her virilization by producing testosterone.
research PMON325 Rare Presentation of Precocious Puberty Secondary to LH-Secreting Adenoma
An 8-year-old boy's early puberty was caused by a rare hormone-secreting brain tumor, which was successfully treated with surgery.
research Case 5: A Very Tall 7-year-old Boy with Medulloblastoma
A 7-year-old boy with a brain tumor developed early puberty, which was successfully treated with medication.
research Sertoliform endometrioid carcinoma of the right ovary
Sertoliform endometrioid carcinoma of the ovary, though rare, has a good prognosis when treated early.
research Trichoblastic Carcinoma (“Malignant Trichoblastoma”) with Lymphatic and Hematogenous Metastases
Long-standing benign tumors can become cancerous, especially in people with weakened immune systems.
research Diagnostic pitfalls in ovarian androgen-secreting (Leydig cell) tumours: case series
Ovarian Leydig cell tumors are hard to diagnose with just advanced imaging; expert ultrasound and clinical evaluation are essential.
research An ovarian Leydig cell tumor of ultrasound negative in a postmenopausal woman with hirsutism and hyperandrogenism
A postmenopausal woman's hirsutism and high testosterone levels improved after surgery for an ovarian tumor not seen on ultrasound.
research Virilizing Leydig cell tumor of the ovary: from presentation to treatment - a case report
Ovarian tumors should be considered when postmenopausal women show signs of virilization.
research Steroid cell tumour of the ovary (Not Otherwise Specified subtype) - A rare case report
Steroid cell tumors in ovaries are rare, can cause hormone changes, and may be cancerous.
research Risk of Abnormal Pregnancy Completing Chemotherapy for Gestational Trophoblastic Tumor
After chemotherapy for a gestational trophoblastic tumor, normal pregnancy rates are possible, but there's a slightly higher risk of the tumor reoccurring in future pregnancies.
research 7696 Ovarian Steroid Cell Tumor Presenting As Non-classical Adrenal Hyperplasia
Ovarian steroid cell tumors can mimic adrenal hyperplasia, and surgery can normalize hormone levels.
research Trichilemmal cysts of the scrotal wall
Ultrasound is effective for diagnosing scrotal cysts, and prompt treatment is crucial to prevent severe complications.
research Establishment of Tsc2-deficient rat embryonic stem cells
Tsc2-deficient stem cells can help understand and treat TSC-related tumors.
research Trichoblastoma with sebaceous and sweat gland differentiation
A rare benign skin tumor showed unusual features of sebaceous and sweat glands, important for correct diagnosis.
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 Ovarian steroid cell tumor (not otherwise specified) with subsequent spontaneous pregnancy after tumor removal: a case report and literature review
After tumor removal, the woman regained normal hormone levels, menstruated, and had a healthy baby.
research Ovarian vein sampling, and serum and urine testosterone monitoring in ovarian Leydig cell tumors: A report of two cases
Ovarian vein sampling helped diagnose rare ovarian tumors causing high testosterone, and surgery to remove the tumors lowered the testosterone levels.
research Challenges in diagnosing ovarian sertoli-leydig cell tumors: A Peruvian case series
Diagnosing Sertoli-Leydig cell tumors is challenging due to their unusual symptoms and can occur at any age.
research A Case of Proliferating Trichilemmal Cyst with Trichoepitheliomatous Change
A young woman had a rare scalp tumor usually found in older women.
research MON-024 Steroid Cell Tumor, Not Otherwise Specified; A Rare Case of Hyperandrogenism
A rare ovarian tumor caused high male hormone levels, but surgery fixed it.
research Every TURP Is not Just BPH
TURP specimens should be checked for various tumors, not just common prostate issues.
research Sertoli-Leydig Cell Tumour of Ovary with Menorrhagia: A Rare Case Report
Sertoli-Leydig cell tumors are rare ovarian tumors that can cause symptoms like menorrhagia.