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  • Author: Justyna Szumiło x
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Adenomatosis is a rare lesion of unknown etiology, defined as multiple (usually 5 or more) adenomas in one kidney. A case of renal adenomatosis in a 68-year-old woman treated previously for urolithiasis, who underwent nephrectomy because of the nonfunctional left kidney is reported. Apart from multiple adenomas, numerous hyperplastic lesions involving single tubules were present in the resected kidney. Both adenomas and hyperplastic lesions exhibited the expression of alpha-methylacyl-coenzyme A racemase (AMACR). Renal adenomatosis is worth special attention, since renal papillary adenomas are suggested as precursor lesions of papillary renal cell carcinoma that show similar AMACR expression.


A case of a 59-year-old male patient with gastric neuroendocrine tumor which was misdiagnosed as adenocarcinoma, is presented. Herein, primary diagnosis was made due to the similarity of endoscopic pictures of both diseases and dues to the inappropriate interpretation of a small biopsy sample. The patient was qualified for endoscopic submucosal dissection. Microscopic examination of whole lesion, supplemented by immmunohistochemical reactions (chromogranin A, synaptophysin, cytokeratins 7 and 20, Ki67) revealed gastric neuroendocrine tumor (NET) G2.

The lesson learnt is that to provide effective treatment to the patient, it is necessary to use all available methods to make a proper diagnosis and to distinguish the suspected disease from others with similar features.


Przewlekła białaczka limfocytowa (PBL) jest najczęstszym nowotworem układu krwiotwórczego u dorosłych. Charakteryzuje ją 1zróżnicowany przebieg kliniczny, od postaci łagodnych, niewymagających leczenia, do agresywnych, kiedy konieczna jest immunoche- mioterapia. W sytuacji pojawienia się objawu w postaci gorączki należy wziąć pod uwagę zarówno wystąpienie progresji choroby, in- fekcji związanej z defektem immunologicznym występującym w jej przebiegu, jak również zmianę charakteru nowotworu w kierunku chłoniaka o dużej złośliwości. W opisanym poniżej przypadku przedstawiono przebieg kliniczny oraz problemy diagnostyczno-tera- peutyczne u pacjentki, u której 2 lata po rozpoznaniu PBL rozpoznano chłoniaka Hodgkina w przebiegu transformacji richterowskiej.


Littoral cell angioma is a rare primary, vascular tumor thought to originate from the endothelial cells lining the sinuses of the splenic red pulp (the “littoral cells”). It is a benign, usually asymptomatic lesion diagnosed incidentally. Ultrasound and tomography appearance is not characteristic and histopathological examination is required. This work provides a case-study of littoral cell angioma which was seen in a 55-year-old female who complained of non-specific upper abdominal pain. Computed tomography revealed multiple hypo-attenuated splenic lesions suggestive for metastasis. A splenectomy was performed and routine microscopic examination supported by immunohistochemistry reactions with CD68, CD34 and CD31 showed littoral cell angioma.


Gastric lipomatosis is a condition characterized by the presence of multiple lipomas or diffuse mature adipose tissue infiltration within the gastric wall. The diffuse form is thought to be an extremely rare, with only few described cases. The lesion may be asymptomatic or associated with symptoms and signs depending on location and size. Treatment depends on clinical presentation, range and complications. In a symptomatic disease, it should be surgical, but conservative treatment is preferred for asymptomatic and solitary lesions. Among diagnostic methods, computed tomography and magnetic resonance imaging are thought to be the most valuable.