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Carcinoma arising in ectopic hamartomatous thymoma. An ultrastructural study.
We present the ultrastructural features of a case of adenocarcinoma arising in ectopic hamartomatous thymoma in a 31 year old man, in the supraclavicular location. The tumor had a cribriformExpand
Phyllodes tumour of the breast: immunohistochemical study of 37 tumours using MIB1 antibody.
In our study, the expression of Ki-67 antigen in phyllodes tumours of the breast was investigated in order to estimate its significance in assessing the grade of malignancy and in predicting theExpand
Papillary carcinoma of thyroid with exuberant nodular fasciitis‐like stroma
We describe two cases of papillary carcinoma of the thyroid containing prominent nodular, fasciitis‐like stroma. In one of the cases infiltration into the adjacent parathyroid gland and metastases toExpand
[Intestinal T-cell lymphoma].
In our study, 7 bioptical specimens of intestinal T-cell lymphoma are described. This tumour occurs in the small intestine of adults who may have a history of malabsorption. The patients presentExpand
Nodular transformation of splenic red pulp due to carcinomatous infiltration. A diagnostic pitfall
Autopsy of three women dying of disseminated carcinoma of stomach, colon, and breast, respectively, revealed a grossly unremarkable spleen. Microscopic examination demonstrated a nodularExpand
Interdigitating Dendritic Cell Sarcoma of the Leg
Interdigitating dendritic cell sarcoma is a very rare malignancy. We report on a 26-year-old male patient who was diagnosed with interdigitating dendritic cell sarcoma in the proximal part of theExpand
[Immunohistochemical detection of follicular dendritic cells in the diagnosis of small B-cell lymphomas].
Our study included 46 cases of B-chronic lymphocytic leukemia/small lymphocytic lymphoma (B-CLL/SLL), 25 mantle cell lymphomas (MCL), and 40 follicular lymphomas (FL). The lymphomas were diagnosedExpand
Cytoplasmic liver cell inclusions--a typical feature of porphyria cutanea tarda--are absent in porphyria-related hepatic neoplasias.
Crystalline cytoplasmic needle-shaped inclusions in hepatocytes are considered to represent a specific morphological feature of porphyria cutanea tarda (PCT) and experimental PCT-like porphyrias. TheExpand
Littoral cell angioma of the spleen. A case report with ultrastructural and immunohistochemical observations.
We describe histological, immunohistochemical and ultrastructural findings in a case of littoral cell angioma of the spleen in a 44 year old man. Beside phagocytosis and heavy haemosiderin depositsExpand
Bcl-2 protein does not help to distinguish benign from malignant lymphoid nodules in bone marrow biopsy specimens.
commences by citing Dr Koss's paper which calls attention to the tragedy of the high incidence of false negative smear reports issued by cytology laboratories. Dr Koss states that "it is clear thatExpand