Fine Needle Aspiration Cytology of Adenomatoid Tumor

Rege, Jyoti; Amarapurkar, Anjali D; Phatak, A M

doi:10.1159/000331108

Cited by 16 publications

(23 citation statements)

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“…A single case documents the cytologic features of adenomatoid tumors by fine-needle aspiration (15). Fine-needle aspiration of an epididymal adenomatoid tumor yielded sheets, clusters, cords, and a vaguely glandular pattern of monotonous cells with a low N/C ratio (15).…”

Section: Discussionmentioning

confidence: 97%

Adenomatoid Tumor of the Pancreas: A Case Report with Comparison of Histology and Aspiration Cytology

et al. 2003

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We present a 58-year-old woman who presented with a 1.5-cm, hypodense lesion in the head of the pancreas. Endoscopic ultrasound-guided fineneedle aspiration yielded bland, monotonous cells with wispy cytoplasm, slightly granular chromatin, and small nucleoli. A presumptive diagnosis of a neuroendocrine lesion was rendered. Whipple procedure yielded a well-circumscribed, encapsulated lesion with dense, hyalinized stroma and a peripheral rim of lymphocytes. Spindled and epithelioid cells formed short tubules, cords, and nests. The neoplasm stained for CK 5/6, calretinin, vimentin, CD 99, pancytokeratin, and EMA, consistent with mesothelial origin. This characteristic histology and immunohistochemistry is consistent with an adenomatoid tumor. We believe we are the first to report this benign neoplasm in such an unusual location. Herein we address the diagnosis of adenomatoid tumor by histology, immunohistochemistry, and aspiration cytology. Our case is particularly unique in that the histology and cytology are compared and correlated.

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Section: Discussionmentioning

confidence: 97%

Adenomatoid Tumor of the Pancreas: A Case Report with Comparison of Histology and Aspiration Cytology

et al. 2003

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“…This was followed by random reports of a few cases. 3,4,7,8 The various cytologic features observed on FNAC of the 14 paratesticular adenomatoid tumors described in the literature have been summarized and compared with the features we observed in our case (Table I).…”

Section: Discussionmentioning

confidence: 61%

“…1,2 They can also arise in the tunica albuginea, spermatic cord, tunica vaginalis and testis 3 and in the uterus, fallopian tube, ovary and paraovarian tissues. 4 Extragenital sites of involvement include the heart, lymph node, adrenal gland, intestinal mesentery, omentum and retroperitoneum. Multiple histogenetic origins have been proposed for these tumors, including derivation from mesothelial cells, primitive pluripotent mesenchymal cells and coelomic epithelium.…”

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confidence: 99%

Adenomatoid Tumor of Tunica Albuginea Mimicking Seminoma on Fine Needle Aspiration Cytology

et al. 2009

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“…Spermatic granuloma, tuberculous and chronic epididymitis are clinical differential diagnosis and can be ruled out by microscopy. [4] Spermatic granulomas have spermiophages in a dirty background, whereas tuberculous epididymitis consists of epithelioid granulomas and Langhan's type giant cells in a background of caseous necrosis which can be confirmed by Zeihl Neelsen's stain and culture. Chronic epididymitis shows a chronic inflammatory cell infiltrate.…”

Section: Dear Sirmentioning

confidence: 98%

“…[1,4,5] Initial cytological description of adenomatoid tumour was described by Perez-Guillemro et al [1] Cytological differential diagnosis of this tumour include the reactive mesothelial hyperplasia, papillary cystadenoma, malignant mesothelioma, and adenocarcinoma. [4] Reactive mesothelial cells with hyperplasia can be seen in hydrocoele fluid. They may not have definite arrangement of cells as seen in adenomatoid tumors.…”

Section: Dear Sirmentioning

confidence: 99%