Histiocytic Medullary Reticulosis

Zawadzki, Z; Pena, Carla; Fisher, E R

doi:10.1159/000208761

Acta Haematol

1969

DOI: 10.1159/000208761

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Histiocytic Medullary Reticulosis

Z Zawadzki¹,

Carla Pena²,

E R Fisher³

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1976

1986

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Cited by 15 publications

(1 citation statement)

References 4 publications

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“…Ultrastructural studies of cases of the leukaemic phase of reticulum-cell sarcoma (Schnitzer and Kass, 1973) and monocytic leukaemias (Schumacher, Szekely and Parke, 1973), including scanning electron microscopy in the latter (Polliack et al, 1975) have been carried out. Bone marrow material from a case of histiocytic medullary reticulosis has also been examined ultrastructurally (Zawadski, Pena and Fisher, 1969) but there were no malignant cells in the peripheral blood available for study. Recently we had the opportunity to study two cases of malignant histiocytosis and a case of leukaemic reticulum-cell sarcoma.…”

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confidence: 99%

Ultrastructure of cell surface abnormalities in neoplastic histiocytes

Skinnider¹,

Ghadially²

1977

Br J Cancer

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Summary.-In an ultrastructural study by transmission and scanning electron microscopy of two cases of malignant histiocytosis and a case of leukaemic reticulumcell sarcoma, unusual blisters, blebs and worm-like processes were detected on the cell surfaces. The blisters (containing clear fluid) appear to develop by a singlemembrane-bound vacuole approaching the cell membrane, and acquiring another membrane on discharging from the cell. The blebs (containing cytoplasm) appear to correspond to the already described phenomenon of zeiosis. The term " vermipodia " is given to the worm-like processes. The underlying factors responsible for these phenomena is not clear, but the exocytosis of the clear blisters resembled that of leukaemic blasts exposed to the action of vinca alkaloids. As two of the cases were being treated with vincristine, it may be that a drug action is implicated. However, it is also possible that these changes may be the morphological expression of some of the changes in the cell surface membrane that occur in malignant transformation.

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confidence: 99%

Ultrastructure of cell surface abnormalities in neoplastic histiocytes

Skinnider¹,

Ghadially²

1977

Br J Cancer

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Systemic giant-cell histiocytosis.Report of a case and a review of the adult form of letterer-siwe disease

Wolfson¹,

Gossett²,

Pagani³

1976

Cancer

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The multiple classifications of histiocytic disorders, and the lack of specificity in their application, have degraded the utility of such diagnostic terms as "Letterer-Siwe Disease" and "Malignant Histiocytosis". A case is presented of a systemic histiocytic proliferation with erythrophagocytosis and giant-cell formation which does not fit into any presently accepted diagnostic niche. No similar case was found in the literature. Moreover, it appears that the entity "Adult form of Letterer-Siwe disease" has been uncritically accepted on the basis of a few poorly documented cases, and should be abandoned.

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Acute myelomonocytic leukemia terminating in histiocytic medullary reticulosis.Cytochemical, cytogenetic and electron microscopic studies

Castoldi

Grusovin

Scapoli

et al. 1977

Cancer

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Histiocytic Medullary Reticulosis

Cited by 15 publications

References 4 publications

Ultrastructure of cell surface abnormalities in neoplastic histiocytes

Ultrastructure of cell surface abnormalities in neoplastic histiocytes

Systemic giant-cell histiocytosis.Report of a case and a review of the adult form of letterer-siwe disease

Acute myelomonocytic leukemia terminating in histiocytic medullary reticulosis.Cytochemical, cytogenetic and electron microscopic studies

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