Primary osteosarcoma of the breast- a case report and review of literature.
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ABSTRACT:
SUBMITTER: Middela S
PROVIDER: S-EPMC3208711 | biostudies-other | 2011 Oct
REPOSITORIES: biostudies-other
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Project description:Background Primary osteosarcoma of the breast (POB) is an extremely aggressive and heterogeneous neoplasm that originates from nonepithelial elements of the mammary gland and accounts for fewer than 1% of breast cancers and fewer than 5% of all sarcomas. Case Presentation An 83-year-old Chinese woman went to our hospital because of a palpable mass she had had for 8 months in the left breast accompanied by persistent dull pain for 10 days. This mass was initially misdiagnosed as a degenerating fibroadenoma and was graded as probably benign (BI-RADS category 3) by ultrasonography (US) and computed tomography (CT) plain scan and contrast enhancement of chest. Eight months later, it was presumed to be highly malignant and graded as BI-RADS category 4C because of its rapid growth and more calcifications by US and CT. 99mTc-MDP whole-body bone imaging showed that there was a mass-like abnormal radioactive concentration of Tc-99m outside the bone of the left chest. The lumpectomy of the left breast was indicated, and the pathological findings were POB. She succumbed to respiratory failure caused by multiple lung metastases 4 months after the operation. Conclusion POB is rare, and US and CT cannot reliably distinguish the causes of calcified breast masses between benign and malignant tumors. It can be diagnosed by pathology when metaplastic carcinoma, malignant phyllodes tumor, or carcinosarcoma containing osteoid and bone is excluded. This case could help clinicians to improve the prognosis and treatment of this disease.
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Project description:Bullous pemphigoid (BP) is a rare, life-threatening autoimmune blistering disease with pruritus and tension blisters/bullous as the main clinical manifestations. Glucocorticosteroids are the main therapeutic agents for it, but their efficacy is poor in some patients. Tofacitinib, a small molecule agent that inhibits JAK1/3, has shown incredible efficacy in a wide range of autoimmune diseases and maybe a new valuable treatment option for refractory BP. To report a case of refractory BP successfully treated with tofacitinib, then explore the underlying mechanism behind the treatment, and finally review similarities to other cases reported in the literature. Case report and literature review of published cases of successful BP treatment with JAK inhibitors. The case report describes a 73-year-old male with refractory BP that was successfully managed with the combination therapy of tofacitinib and low-dose glucocorticoids for 28 weeks. Immunohistochemistry and RNA sequencing were performed to analyze the underlying mechanism of tofacitinib therapy. A systematic literature search was conducted to identify other cases of treatment with JAK inhibitors. Throughout the 28-week treatment period, the patient experienced clinical, autoantibody and histologic resolution. Immunohistochemical analysis showed tofacitinib significantly decreased the pSTAT3 and pSTAT6 levels in the skin lesions of this patient. RNA sequencing and immunohistochemical testing of lesion samples from other BP patients identified activation of the JAK-STAT signaling pathway. Literature review revealed 17 previously reported cases of BP treated with four kinds of JAK inhibitors successfully, including tofacitinib (10), baricitinib (1), upadacitinib (3) and abrocitinib (3). Our findings support the potential of tofacitinib as a safe and effective treatment option for BP. Larger studies are underway to better understand this efficacy and safety.
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Project description:BackgroundPrimary extraskeletal chondroblastic osteosarcoma has very poor prognosis, especially in the elderly. The pericardium is an extremely rare site for this tumour.Case summaryA 67-year-old man presented with a large pericardial effusion and an intrapericardial mass. His past medical history of pulmonary tuberculosis led us to initially suspect tuberculous pericarditis. Primary extraskeletal chondroblastic osteosarcoma arising from the pericardium was diagnosed by the pathologist after surgery. The patient suffered severe intraoperative blood loss and surgical trauma. He went into shock and died a few hours after surgery.DiscussionExtraskeletal chondroblastic osteosarcoma is a very rare tumour with a grim prognosis. Clinical manifestations frequently are not specific and can be explained by associated pathology. In this report, we describe an unusual case of primary extraskeletal chondroblastic osteosarcoma located in the pericardium and present a review of the literature.
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Project description:We report a rare case of primary osteosarcoma of the breast in a patient who presented a calcified fibroadenoma one year before the appearance of the malignant lesion. We describe the follow-up of the patient and the discovery of a similar osteosarcoma in the other breast one year later.
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Project description:Introduction Giant cell-rich osteosarcoma (GCRO) is a rare pathologic diagnosis, and most cases have involved the appendicular skeleton. We present a challenging diagnosis of GCRO of the skull base treated with an endoscopic endonasal approach. Case Presentation An 18-year-old female patient presented with acute monocular visual loss. Imaging revealed a large clival mass encasing the internal carotid arteries bilaterally with pituitary and optic nerve compression. The lesion was resected via a staged endoscopic endonasal approach and the patient's vision normalized postoperatively. The final pathological diagnosis was challenging and, after consultation with multiple North American centers, was concluded as GCRO. The tumor recurred and further surgery was performed, followed by adjuvant chemoradiation. Conclusion We highlight diagnostic challenges of GCRO of the skull base, and describe, with intraoperative pictures, successful surgical resection via an endoscopic endonasal approach. Based on our literature review, this is the first published case report of GCRO of the skull base.
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Project description:Breast cancer is considered a malignant tumor with the highest incidence among women and is prone to develop distant metastasis. Small intestinal metastasis of breast cancer, however, is relatively rare. This case report describes a 49-year-old Chinese female patient who presented with small intestinal obstruction and was diagnosed with lobular breast cancer with small intestinal and contralateral breast metastasis. Clinical manifestations, clinicopathological features and potential mechanisms of metastasis, along with diagnosis and treatment, are discussed with a review of the relevant literature. Although small intestinal metastasis is rare in breast cancer, we should keep high alert on the possibility of gastrointestinal metastasis when treating lobular breast cancer patients.
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