Solitary fibrous tumor of the tongue: Cytopathologic fine needle aspiration findings

Galed-Placed, Ignacio; López-Solache, L.; Reguera-Arias, Ana

doi:10.4103/joc.joc_78_18

Cited by 4 publications

(5 citation statements)

References 5 publications

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“…In our review of literature, most of the case series and case reports in the literature were retrospective cytologic examination of cases diagnosed as SFTs on biopsies or surgical resections. 4,[8][9][10][11][12][13][14][15][16][17] As expected, most of these cases arose from the pleura and extremities. 8,[11][12][13][14][15] The cytologic features of SFT include scant to moderately cellular smears composed of singly scattered to clusters of monotonous population of spindle to oval shaped cells with fine chromatin pattern and scant cytoplasm.…”

Section: Discussionmentioning

confidence: 70%

“…On cytology specimens the diagnosis can be challenging given the lack of some of these distinct histologic features and cytomorphologic overlap with other perigastric/gastric mesenchymal tumors. In our review of literature, most of the case series and case reports in the literature were retrospective cytologic examination of cases diagnosed as SFTs on biopsies or surgical resections 4,8‐17 . As expected, most of these cases arose from the pleura and extremities 8,11‐15 .…”

Section: Discussionmentioning

confidence: 76%

“…10 Table 1 summarizes the tumor location, cytomorphologic features and immunohistochemical stain results of cytology case reports, and case series of SFTs. 4,[8][9][10][11][12][13][14][15][16][17] According In the past, CD34, BCL2, and CD99 were some of the stains used to diagnose SFT. However, they are not specific to SFT.…”

Section: Discussionmentioning

confidence: 99%

“…One case report also described a “patternless” pattern in the cell block 10 . Table 1 summarizes the tumor location, cytomorphologic features and immunohistochemical stain results of cytology case reports, and case series of SFTs 4,8‐17 …”

Section: Discussionmentioning

confidence: 99%

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Perigastric solitary fibrous tumor (SFT) diagnosed on fine needle aspiration: A case report and review of literature

Ababneh

Policarpio‐Nicolas

2020

Diagnostic Cytopathology

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Solitary fibrous tumor (SFT) is a mesenchymal tumor initially described in the pleura. When the tumor is located in the pleura and the classic histologic findings are present, the diagnosis of SFT can be straightforward. However, the cytologic diagnosis of perigastric SFT can be challenging due its rarity with only one cytology case report. Another confounding factor is its potential mimicry with other perigastric/gastric mesenchymal tumors. Herein, we report a case of perigastric SFT diagnosed on cytology in conjunction with immunohistochemical stains. The patient is a 79-year-old woman who presented with an enlarging perigastric mass on computerized tomography scan which was highly concerning for a saccular aneurysm. Endoscopic ultrasound (EUS) revealed a 6.6 cm hypoechoic lesion abutting the stomach. An EUSguided fine needle aspiration was performed. The smears showed singly scattered to clusters of bland spindle cells with scant cytoplasm dispersed in a bloody background. The cell block showed similar spindle cells focally supported by a collagenized stroma. Immunohistochemical stains performed on the cell block showed the tumor cells were positive for CD34, BCL2, and STAT6 and negative for CD117, DOG1, CD31, ERG-ENDO, AE1/AE3, S-100, desmin, and synaptophysin, supporting the diagnosis of solitary fibrous tumor.

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Section: Discussionmentioning

confidence: 70%

Section: Discussionmentioning

confidence: 76%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Perigastric solitary fibrous tumor (SFT) diagnosed on fine needle aspiration: A case report and review of literature

Ababneh

Policarpio‐Nicolas

2020

Diagnostic Cytopathology

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“…Although fine-needle aspiration cytology is used frequently to diagnose skin and soft tissue masses [ 27 ], no definitive cytological findings of SFT have been identified. SFT requires suitable clinical and radiological correlation and immunochemical tests for preoperative diagnosis [ 28 , 29 ]. SFT is classified histologically as storiform, hemangiopericytic, herring-bone, diffuse sclerosing, or neural-type palisading.…”

Section: Discussionmentioning

confidence: 99%

Recurrent malignant solitary fibrous tumor of the scalp: a case report and literature review

Rabie

Hasan

Mohammed

et al. 2022

J Pathol Transl Med

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Solitary fibrous tumor (SFT) is a rare type of mesenchymal neoplasm that first was discovered in the pleura but can also affect the peritoneum, lungs, mediastinum, and skin. Cutaneous malignant SFT is an extremely rare tumor that resembles dermatofibrosacoma protuberance (DFSP) histologically and immunohistochemically. Herein, we describe a case of malignant SFT that presented as a recurrent mass on the scalp. The first lesion was totally excised one year before recurrence and was diagnosed as a DFSP based on the histopathology and cluster of differentiation 34 immunostaining positivity. Re-examination of the previously examined specimen was considered. Activator of transcription 6 positivity was also detected in the tissue, confirming the diagnosis of a recurrent malignant SFT rather than DFSP. There was no evidence of recurrence, locoregional, or distant metastases at six months after lesion removal with a safety margin.

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Cytopathology of solitary fibrous tumor: a series of 34 cases

Wakely

Rekhi

2021

Journal of the American Society of Cytopathology

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Solitary fibrous tumor of the tongue: Cytopathologic fine needle aspiration findings

Cited by 4 publications

References 5 publications

Perigastric solitary fibrous tumor (SFT) diagnosed on fine needle aspiration: A case report and review of literature

Perigastric solitary fibrous tumor (SFT) diagnosed on fine needle aspiration: A case report and review of literature

Recurrent malignant solitary fibrous tumor of the scalp: a case report and literature review

Cytopathology of solitary fibrous tumor: a series of 34 cases

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