PubMed · 887447
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S Skalski, Z Jankowiak. 1977. [Tuberculous peritonitis].. https://pubmed.ncbi.nlm.nih.gov/887447/
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BACKGROUND: Desmoplastic small round cell tumor (DSRCT) is a high-grade malignant tumor that has a predilection for adolescent males and usually affects the abdominal cavity. The cytology literature regarding DSRCT, including aspirates and ascitic fluid, is limited. To the authors' knowledge, findings in ThinPrep slides have not been described previously. METHODS: Seven cytologic specimens from five patients with histologically confirmed DSRCT were reviewed. Five specimens were fine-needle aspiration biopsies (FNABs), (liver, flank soft tissue, abdomen, and two resected colons [pericolic]) and two specimens were ascitic fluid. Cytologic features were studied in ThinPrep slides and direct smears, which included hematoxylin and eosin, Papanicolaou, and Quik-Dip stains. RESULTS: All specimens showed moderate to high cellularity. The tumor cells were arranged singly and in clusters. The cells demonstrated high nuclear/cytoplasmic ratios, granular chromatin reminiscent of small cell carcinoma, usually inconspicuous nucleoli, smooth to irregular nuclear membranes, and frequent nuclear molding. The cytoplasm was scant to moderate, pale blue, and occasionally vacuolated. Pseudorosettes were observed in six specimens. One ThinPrep slide and the direct smears contained cells with perinuclear, cytoplasmic densities. Stromal fragments were present in the direct smears but were uncommon in ThinPrep. Three specimens were diagnosed as being consistent with DSRCT. Two specimens were diagnosed as malignant small cell tumor. Molecular studies performed on histologic material in four cases confirmed the presence of the diagnostic translocation, t(11;22)(p13;q12). CONCLUSIONS: DSRCT may be diagnosed accurately in cytology specimens. Characteristic cytologic features include granular chromatin, smooth to irregular nuclear membranes, nuclear molding, cytoplasmic vacuoles, pseudorosettes, and metachromatic stroma. Cytoplasmic densities may be observed in direct smears and ThinPrep slides.
We report on a male infant with the rare combined occurrence of congenital central hypoventilation syndrome (CCHS or Ondine's curse), Hirschsprung's disease (HD), and neuroblastoma. Current therapeutical options leave no doubt that children with isolated forms of CCHS, HD, or neuroblastoma must be treated, but management decisions and the ethical dilemma become more difficult with the presence of multiple neurocristopathies. Our patient was dependent on mechanical ventilation and total parenteral nutrition, when a neuroblastoma was diagnosed at age 5 months. We initiated an attempt at curative chemotherapy. The tumor failed to respond to recommended chemotherapeutic regimens, and the patient died at 11 months of age. We emphasize the importance of screening CCHS patients for associated illnesses such as neuroblastoma and ganglioneuroblastoma at time of diagnosis.
PURPOSE: To describe the clinicopathologic features of two patients with systemic lymphoma who developed anterior chamber (AC) infiltrates of lymphoma cells. DESIGN: Two case reports and literature review. METHODS: The clinical and pathologic findings in two patients with AC infiltrates secondary to systemic B-cell lymphoma are reviewed. MAIN OUTCOME MEASUREMENTS: Clinical observation and cytologic/flow cytometric examination of the infiltrate after AC aspiration. RESULTS: One patient presented with uveal infiltration, an exudative retinal detachment and an AC infiltrate. Systemic evaluation revealed a follicular lymphoma involving several groups of lymph nodes. The second patient with a known history of abdominal lymphoma was found to have blurred vision, photophobia and an AC infiltrate. Flow cytometric analysis of the AC infiltrate in both patients showed phenotypes consistent with the patients' systemic lymphomas. CONCLUSIONS: A pseudohypopyon in an adult may represent either the initial manifestation or a later complication of systemic lymphoma, similar to what has been reported in acute leukemia.