December 2022 in “Journal of Medical Case Reports” This case report highlights the importance of considering an ovarian steroid cell tumor diagnosis in young women with increased testosterone after ruling out polycystic ovarian syndrome.
5 citations
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February 2015 in “Egyptian Journal of Ear Nose Throat and Allied Sciences” This case report describes an ossifying pilomatrixoma found in a 15-year-old girl, confirmed via histopathological examination after imaging indicated a subcutaneous mass on her cheek.
April 2020 in “Journal of the Endocrine Society” This case report describes a 22-year-old woman with hirsutism and irregular menstrual bleeding, diagnosed with an ovarian steroid cell tumor (NOS), whose androgen levels normalized after surgery.
June 2020 in “AACE clinical case reports” This case report illustrates that Leydig cell tumors, despite causing significantly elevated androgen levels, can be difficult to localize due to their small size, as demonstrated in a 42-year-old woman whose tumor was only identified after oophorectomy.
January 2025 in “Dermatology Review” In this case report, a 57-year-old man with chronic myelogenous leukemia developed a large, rapidly growing giant keratoacanthoma, highlighting the diagnostic challenges it poses compared to cutaneous squamous cell carcinoma, with surgical excision identified as the preferred treatment.
January 2023 in “Seven Editora eBooks” This case report describes a 52-year-old postmenopausal woman diagnosed with a rare Steroid Tumor Without Other Specification, highlighting the diagnostic challenges and treatment approach involving bilateral salpingo-oophorectomy.
2 citations
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June 2023 in “Medicine” This case report describes the occurrence of a very rare disease, MTPC, in the elbow of a man who does not match the typical etiology, highlighting its academic significance.
June 2022 in “IP Indian journal of clinical and experimental dermatology” This case report discusses a benign trichofolliculoma in a 40-year-old woman, confirmed through histopathological examination with no recurrence noted during a one-year follow-up period.
October 2016 in “Journal of Case Reports” This study reports a case of an ovarian steroid cell tumor with malignant potential, presenting unusually with osteopenia and low weight instead of the expected virilizing symptoms.
This case report describes a 65-year-old postmenopausal woman with hyperandrogenism caused by a non-malignant ovarian Leydig cell tumor, which is a rare cause of virilization.
October 2024 in “Journal of the Endocrine Society” In this case report, a 62-year-old woman with hyperandrogenism and polycythemia was diagnosed with a rare ovarian steroid cell tumor, highlighting the importance of considering such tumors in similar presentations; surgical removal led to symptom and lab normalization.
1 citations
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January 2013 in “Journal of the Scientific Society” In this case report, an 18-year-old male's cheek lump initially diagnosed as a sebaceous cyst was found to be a pilomatrixoma after surgical excision and histopathological examination.
6 citations
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January 2010 in “Case Reports” This study describes the case of a Filipino woman with virilisation, where a rare ovarian Leydig cell tumour was identified and removed, normalizing her testosterone levels.
5 citations
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November 2018 in “Journal of Obstetrics and Gynaecology” This case series highlights that diagnosing ovarian Leydig cell tumors can be challenging, and expert sonography is crucial for accurate identification, as imaging modalities like CT, MRI, and PET-CT may fail to detect them.
October 2023 in “Clinical case reports” This case study reports the first Palestinian case of an ovarian steroid cell tumor with virilization in a young female, highlighting the challenges in diagnosis and varied chemotherapeutic responses.
17 citations
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January 2013 in “Case Reports in Medicine” This review discusses steroid cell tumors of the ovary, their hormone production, symptoms, and evaluation, emphasizing surgery as the key treatment approach; it reports no new clinical results.
2 citations
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July 2001 in “Dermatologic Surgery” This study reports two cases of trichoblastic neoplasms with histologic features suggesting they may be distinct, locally aggressive trichoblastic carcinomas separate from basal cell carcinoma.
June 2025 in “Journal of Ovarian Research” This case report underlines the importance of considering alternative diagnoses like ovarian steroid cell tumors in adolescent females with PCOS-like symptoms when standard treatments fail, highlighting the need for thorough evaluation and early intervention.
2 citations
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May 2018 in “International journal of reproduction, contraception, obstetrics and gynecology” This case report describes a 41-year-old woman with lower abdominal pain who was found to have an ovarian cavernous hemangioma, highlighting the importance of correct diagnosis to prevent unnecessary radical surgery.
9 citations
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November 2013 in “Gynecological Endocrinology” This case study identified a probable pure testosterone-secreting ovarian tumor in a woman with increased facial hair and elevated testosterone levels, confirmed by histological examination as Leydig cells hyperplasia, which normalized testosterone and symptoms post-surgery.
9 citations
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May 2008 in “Journal of Clinical Oncology” This article compiles references on toxic epidermal necrolysis and cutaneous reactions to anticancer agents but reports no new findings.
10 citations
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November 2007 in “Annals of Diagnostic Pathology” This report presents a case of a superficial angiomyxoma with a trichofolliculoma in a 51-year-old man, characterized by myxomatous nodules and specific immunohistological markers.
July 2026 in “Journal of Ovarian Research” In this study, researchers used single-cell RNA sequencing to identify seven cell types, including distinct steroidogenic and immune cells, in the tumor microenvironment of a case of ovarian SCT-NOS, providing insights into its cellular heterogeneity and molecular mechanisms related to hyperandrogenism.
November 2024 in “Future Science OA” This case report describes a rare instance of a Leydig cell tumor in a 35-year-old pregnant woman, discovered incidentally during a cesarean section. The tumor typically presents with symptoms of excess androgen, though it can range from asymptomatic to rapid virilization.
3 citations
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June 2023 in “Cureus” This case study describes a 4-year-old boy whose neck tumor was initially misdiagnosed as scrofuloderma before being correctly identified as a pilomatricoma, underscoring the need to include pilomatricoma in differential diagnoses for persistent skin lesions.
4 citations
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August 1991 in “The Journal of Dermatology” This case report describes a rare pedunculated follicular hamartoma on the nasal septum of a 77-year-old Japanese male, emphasizing its unique clinical and pathological features.
12 citations
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March 2018 in “Medicine” This case report describes a 60-year-old woman with an ovarian Leydig cell tumor leading to elevated testosterone levels and hirsutism, highlighting the need to consider androgen-secreting tumors in similar postmenopausal cases.
April 2026 in “International Journal of Drug Delivery Technology” This retrospective study at a tertiary care hospital observed that follicular tumors were the most common type of skin adnexal tumors (42.9%) among 42 analyzed cases, with malignancies making up 7.1% of the cases.
3 citations
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December 2003 in “Archives of Pathology & Laboratory Medicine” This article reviews the distinctive features of cutaneous lymphadenoma, a variant of trichoblastoma, and its differential diagnosis, but it presents no new empirical results.
April 2025 in “Indian Journal of Dermatology” In this case report, a 24-year-old male with a translucent nodule in the left nasolabial fold was diagnosed with a solitary fibrofolliculoma with cystic changes upon histopathology, emphasizing the rarity and potential for misdiagnosis of these benign cutaneous tumors.