Histopathological spectrum of spindle cell tumours of gastro-intestinal tract

Background: Spindle cell lesions of gastro-intestinal tract (GIT) are relatively uncommon tumours compared to epithelial tumours. The anatomic location of spindle cell tumour is important, whether the tumour is located in mucosa, submucosa or muscularis propria.Methods: Authors endeavoured to study the histopathological spectrum of spindle cell lesions for a period of one year from January 2018 to December 2018 in our hospital.Results: This was a prospective study of 1 year starting from January 2018 to December 2018. A total of 30 cases of spindle cell lesions of gastrointestinal tract were seen. Out of 30 cases 23 were gastrointestinal stromal tumours (GIST), 2 cases were schwannomas, 2 cases were of leiomyomas, 1 case was fibromatosis, 1 case was inflammatory fibroid polyp, and one case was inflammatory myofibroblast tumour.Conclusion: GISTs are the commonest spindle cell tumours of GIT. Besides GIST, there are other spindle cell tumours which range from benign to malignant, and need to be differentiated from GIST for proper management

Inflammatory fibroid polyp: a clinicopathologic and immunohistochemical analysis of 28 cases / 实用医学杂志

Objective To study the clinical and pathologic characteristics of inflammatory fibroid polyp (IFP)in gastrointestinal tract,and discuss the diagnosis,differential diagnosis and treatment. Methods The clini-cal and pathologic findings of 28 IFP patients were retrospectively analyzed. Results IFP occurred in 8 males and 20 females aged from 37 to 71(with a mean age of 52 years).Nineteen cases of IFP occurred in stomach(18 in an-trum and 1 in body),7 in small intestine(6 in ileum and 1 in jejunum)and 2 in rectum.The solitary non-capsulat-ed polyp was composed of spindle cells, mainly located in the submucosa. Spine cells concentrically arranged around blood vessels with"onion skin"pattern, but those of small intestine were devoid of concentric formations. Twenty-seven cases showed the spindle cells were positive for CD34. Two cases harbored activating mutations in PDGFRA exon 12. Endoscope or surgical excision was adopted as operation method, and showed good therapeutic effect.Conclusions IFP is a rare benign interstitial tumor exhibits two morphologies,which can harbor activating mutation in PDGFRA.CD34 positive can help the diagnosis.

Clinical and endoscopic features of 49 cases of gastric inflammatory fibroid polyp / 中华消化杂志

Objective To summarize the endoscopic appearance,endoscopic ultrasound findings and histopathological characteristics of gastric inflammatory fibroid polyp (IFP) in order to improve diagnosis of IFP.Methods From September 2011 to November 2016,49 patients with pathologically comfirmed gastric IFP,who underwent endoscopy in Taizhou Hospital of Zhejiang Province,were enrolled.The medical history,endoscopic examination,treatment and follow-up were retrospectively enalyzed.Results Among 49 patients with gastric IFP (16 males and 33 females;average age 54 years) the maximum diameter of 33 cases (67.3％) was between 1.0 cm and 2.0 cm.Forty-eight cases had single lesion and one case had multiple lesions.The lesions of 17 cases (34.7％) were located at the anterior wall of gastric antrum,the lesions of seven cases (14.3％) were at the posterior wall of gastric antrum,the lesions of seven cases (14.3％) were at the lesser curvature of gastric antrum and the lesions of seven cases (14.3％) were at the great curvature of gastric antrum.Among the lesions of 41 patients who received endoscopic ultrasonography,28 lesions were located in the submucosa of stomach,13 lesions were located in mucosa and muscularis mucosa.The rate of misdiagnosis of endoscopic ultrasonography was 29.3％ (12/41).The endoscopic ultrasound findings of the lesions included 26 hypoechoic structures,11 hyperechoic structures and four slightly hypoechoic structures.The lesions of all the patients were successfully removed by endoscopic polypectomy without any complication.Thirty-seven lesions were treated by endoscopic submucosal dissection (ESD) and 12 lesions by endoscopic mucosal resection (EMR).All the patients were not clearly diagnosed before operation and were finally diagnosed by pathological examination.Postoperative pathological examination showed that in the suhmucosa and mucosa lamina propria,spindle-shaped cells proliferated and arranged in an interwoven pattern or cells around vessels or mucosal glands formed vortex-like or onion skin like pattern.Forty-seven patients were followed up and the median follow-up time was 31 months.All patients survived withont recurrence or metastasis until the submission of this paper.Conclusions The rate of misdiagnosis of gastric IFP is high before operation,and the diagnosis is depended on histopathological examination.Endoscopic resection is the first choice because the diameter of most lesions are less than 5 cm.

Laparoscopic Resection of a Jejunal Inflammatory Fibroid Polyp that Caused Occult Gastrointestinal Bleeding, Diagnosed via Capsule Endoscopy and Double-Balloon Enteroscopy: A Case Report

An inflammatory fibroid polyp (IFP) is a mesenchymal tumor of the gastrointestinal tract. IFPs in the small intestine are the most frequently detected with symptoms, such as abdominal pain and tarry stool due to intussusception. Accordingly, few studies have reported jejunal IFP as a cause of occult gastrointestinal bleeding (OGIB) diagnosed via both of capsule endoscopy (CE) and double-balloon enteroscopy (DBE). A 68-year-old woman presented with a progression of anemia and a positive fecal occult blood test result. Esophagogastroduodenoscopy and total colonoscopy findings were unremarkable. CE revealed a tumor with bleeding in the jejunum. DBE also revealed a jejunal polypoid tumor. Bleeding from the tumor seemed to have caused anemia. The patient underwent partial laparoscopic resection of the jejunum, including resection of the tumor. The tumor was histopathologically diagnosed as IFP. To our knowledge, this is the first reported case of laparoscopic resection of jejunal IFP with OGIB diagnosed via CE and DBE preoperatively.

Pólipo fibroide inflamatorio gástrico: presentación de un caso clínico patológico y revisión de la literatura / Inflammatory fibroid polyp of the gastrointestinal tract: clinical case and review of the literature

A case report of a 67 year old female presenting upper gastrointestinal symptoms characterized by epigastric pain and nausea. Her endoscopic examination reveals the presence of a polypoid submucosal lesion measuring 5 mm in diameter. Biopsies were reported as inflammatory fibroid polyp. Clinical pathological aspects, immunohistochemical findings, differential diagnosis and described new genetic alterations associated with this lesion are discussed.

Se presenta caso de paciente mujer de 67 años con sintomatología digestiva alta caracterizada por epigastralgia y náuseas. Su examen endoscópico muestra la presencia de lesión solevantada submucosa de 5 mm de diámetro. Las biopsias revelan la presencia de pólipo fibroide inflamatorio. Se discuten los aspectos clínico-patológicos, inmunohistoquímicos, diagnóstico diferencial y nuevas alteraciones genéticas descritas, asociadas a esta lesión.

Inflammatory fibroid polyp (Vanek’s polyp): a case report and literature review / Pólipo fibroide inflamatório (pólipo de Vanek): relato de caso e revisão da literatura

Inflammatory fibroid polyp (IFP) is a benign uncommon lesion (1%-4% of gastric benign lesions), originated from the submucosa of the gastrointestinal tract. Its origin is controversial and immunohistochemical studies of lesions have largely refuted the possible vascular, neural or smooth muscle origin. Recent studies suggest a neoplastic etiology due to a mutation, in some cases, in the alpha-type platelet-derived growth factor receptor gene (PDGFRa). Our objective is to report the case of a patient aged 70 years, with gastric IFP, comparing her immunohistochemical profile with those of other studies, and a brief review of the literature.

Pólipo fibroide inflamatório (PFI) é uma lesão benigna, pouco frequente (1%-4% das lesões benignas gástricas), originada na submucosa do trato gastrointestinal. Sua origem é controversa e vários estudos imuno-histoquímicos da lesão refutaram uma possível origem vascular, neural ou muscular lisa. Recentes estudos sugerem etiologia neoplásica devida à mutação, em alguns casos, no gene receptor tipo alfa para fator de crescimento derivado de plaquetas (PDGFRa). Nosso objetivo é relatar o caso de uma paciente de 70 anos de idade, com PFI gástrico, comparando seu perfil imuno-histoquímico com o de outros estudos, além de breve revisão da literatura.

A Case of Invasion of Muscularis Propria of Gastric Inflammatory Fibroid Polyp

Inflammatory fibroid polyp (IFP) is an uncommon benign tumor and a proliferative disease localized to the submucosal area of the gastrointestinal tract. IFP has been detected more frequently with the increasing use of endoscopy. Histologically, gastric IFP is mostly limited to the submucosa, rarely invading the muscle layer. However, we experienced a case of gastric IFP invading the proper muscle layer. A 62-year-old man was referred for evaluation of epigastric pain. Contrast enhanced computed tomography of the abdomen and endoscopic examination revealed a stomach mass. IFP was histologically confirmed by surgical resection, and the patient was discharged without complication. IFP originating in the stomach that invades the muscularis propria is rare compared to that originating in the large or small intestine. The incidence of gastric IFP is relatively low. Invasion of the muscularis propria by IFP depends not only on the location but also the size of the IFP. There have been no published reports on the outcomes of gastric IFP invading the muscularis propria, therefore close follow-up of the present patient is important.

Intususcepción intestinal por pólipo fibroide inflamatorio en una anciana / Small bowel intussusception and Vanek's tumor in an elderly woman

El pólipo fibroide inflamatorio es un tumor benigno poco frecuente del tubo digestivo, descripto por Vanek en 1949. Son lesiones de etiología desconocida, originadas en la submucosa. Están formadas por células mononucleares y mesenquimatosas con citoplasma fusocelular, con una importante proporción de eosinófilos. Sus síntomas son variables, dependiendo de su localización, y son una r ara causa de intususcepción intestinal en adultos. Presentamos el caso de una mujer de 82 años, que sufrió una rara intususcepción de intestino delgado, originada en un pólipo fibroide inflamatorio.

Inflammatory fibroid polyps are non-frequent benign lesions, described by Vanek in 1949, originated in the sub mucosa of the gastrointestinal tract. They have an uncertain origin and they are formed of fibroblastic and mesenchymal proliferations with an important eosinophilic proportion. Depending on where are they localized, could present different type of symptoms. The inflammatory fibroid polyps are one of the rare benign conditions causing intestinal intussusception in adults.We present the case of a 82 years old woman, who presented an intestinal intussusception due to an inflammatory fibroid polyp localized in the small bowel.

Tumor de Vanek o pólipo fibroide inflamatorio. Reporte de un caso / Vanek's tumor or inflammatory fibroid polyp. Report of a case

El tumor de Vanek o pólipo fibroide inflamatorio, se conoce como una lesión benigna, rara, de localización submucosa, no encapsulada, cuya ubicación puede darse a lo largo del tracto digestivo, siendo más común en el antro gástrico (80 %), aunque también se ha descrito en la unión gastroesofágica, duodeno, yeyuno, íleon y colon. Representa el tumor gástrico benigno menos frecuente (1-4 %), con ligero predominio en el sexo masculino y un pico de incidencia a partir de la sexta década de la vida, siendo la malignización un evento excepcional. En este reporte de caso se presentó un paciente masculino de 47 años de edad, con tumor de Vanek de localización antra, diagnosticado en el Hospital Provincial Universitario Arnaldo Milián Castro, de la ciudad de Santa Clara.

The Vanek's tumor or inflammatory fibroid polyp (IFP) is a rare benign lesion of submucosal location, not encapsulated, that may be located throughout the digestive tract, being more common in the gastric antrum (80%), although it has also been described in the gastroesophageal junction, duodenum, jejunum, ileum and colon. It is the less frequent benign gastric tumor (1-4%) with slight predominance in males and a peak incidence after the sixth decade of life, being its process of getting malignant an exceptional event. This case report presents a 47-year-old male patient with a Vanek's tumor of antral localization that was diagnosed at the Teaching Provincial Hospital Arnaldo Milian Castro, of Santa Clara.

Pólipo fibroide inflamatorio gástrico: a propósito de un caso / Inflammatory fibroid polyp

El pólipo fibroide inflamatorio o tumor de Vanek, es una lesión benigna, rara y de localización submucosa, cuya ubicación puede darse a lo largo del tracto digestivo, siendo más común en el antro gástrico (80%), aunque también se ha descrito en la unión gastroesofágica y con menos frecuencia en duodeno, yeyuno e íleon. En este informe, se presenta la revisión de un caso de pólipo fibroide inflamatorio diagnosticado en el Hospital Universitario de Santander en el 2009, la cual es de gran valor debido a la infrecuencia de la lesión y la escasa literatura local al respecto...

The inflammatory fibroid polyp or Vanek's tumor is a rare, benign lesion with submucosal localization , which location may be along the digestive tract, being more common in the gastric antrum (80%), although has also been described in the esophagogastric junction and less frequently in the duodenum, jejunum and ileum. In this report, it’s provided a review of a case of infl amatory fibroid polyp diagnosed at the Hospital Universitario de Santander in 2009, which is of great value because of the rarity of the injury and the limited local literature about it...

Gastric Inflammatory Fibroid Polyp Resected by Endoscopic Submucosal Dissection / 대한소화기내시경학회지

Inflammatory fibroid polyp (IFP) is a rare benign fibroproliferative disease that arises from the submucosal layer of the gastrointestinal tract. Surgical resection has been performed in most cases and the application of endoscopic resection is rare. Endoscopic submucosal dissection (ESD), which was recently introduced, enables en-bloc resection of a tumor regardless of the tumor size and location. Since IFP is benign, ESD can be very useful for both the diagnosis and treatment of a large-sized IFP. A 45-year-old woman was referred for the management of a gastric mass. Esophagogastroduodenoscopy showed a round submucosal mass with a central bulging at the gastric body. Endoscopic ultrasonography showed a 3.5x3.0 cm-sized hypoechoic mass in the third layer of the stomach. The tumor was removed by ESD with using a hook knife for complete en-bloc resection. The pathologic finding was compatible with the diagnosis of IFP. We report here on a case of IFP that presented as a gastric submucosal tumor and it was treated by the ESD method.

Needle Knife-assisted Endoscopic Polypectomy for a Large Inflammatory Fibroid Colon Polyp by Making Its Stalk into an Omega Shape Using an Endoloop

Colonic inflammatory fibroid polyp (IFP) is an uncommon benign polypoid lesion, which is composed of fibroblasts, numerous small vessels and edematous connective tissue with marked eosinophilic inflammatory cell infiltration. This condition is frequently detected in the stomach and small intestine, but uncommon in the colon. Although IFP is a benign lesion, surgical resections are performed in most colonic cases because the polyps are usually too large to resect endoscopically. Only three patients underwent endoscopic polypectomy in our literature reviews. Here, we present a case of IFP in the descending colon successful endoscopically resected using a novel technique of trapping its stalk with an endoloop, forming the stalk into an omega shape, and then dissecting the stalk with a needle knife.

A Case of Inflammatory Fibroid Polyp in the Duodenum / 대한소화기내시경학회지

Inflammatory fibroid polyp is a relatively uncommon, localized benign lesion of the gastrointestinal wall. It is seen mostly as a single entity and the majority of inflammatory fibroid polyps have been reported with pathologic examination in the stomach but rarely in small intestines. A 70-year-old woman was presented with intermittent epigatric discomfort and gastroduodenoscopy showed a polypoid lesion with oval shaped, central depression, and normal mucosal covering. Endoscopic ultrasonography showed 8x6 mm sized hypoechoic tumor which was located mainly in the third layer of the duodenal wall with indistinct margin. The tumor was successfully removed by endoscopic resection after the injection of hypertonic saline solution with epinephrine and banding. The tumor consisted of loose fibrous stroma, small blood vessels and inflammatory cells. We present a case of inflammatory fibroid polyp of the duodenum with review of the literatures.

A Case of Jejunal Diverticulitis with Perforation Combined with Intussusception Caused by Inflammatory Fibroid Polyp / 영남의대학술지

Diverticulosis of the small intestine is a rare entity, compared with that of duodenum or colon, and is found in only 1% of autopsied patients. The main complications are diverticulitis with or without a perforation, obstruction and hemorrhage, which are associated with a high mortality. Intussusception is primarily a disease of childhood; with only 5 to 10% of cases occurring in adults. In contrast to childhood intussusception, 90% of adult intussusception cases are had an associated pathologic processes. An inflammatory fibroid polyp is an uncommonly localized non-neoplastic lesion of the gastrointestinal tract. It occurs most often in the stomach and secondly in the ileum. It rarely occurs in other organs such as the colon, jejunum, duodenum and esophagus. We report a case of jejunal diverticulitis with a perforation combined with intussusception caused by an inflammatory fibroid polyp. A 78-year-old female presented with abdominal pain, fever and chill. Contrast CT scan showed intussusception of the ileum. The patient was treated with a small bowel segmental resection. After surgery, the specimen showed jejunal diverticulitis with perforation.

A Case of Inflammatory Fibroid Polyp of the Cecum Causing Intussusception / 대한소화기내시경학회지

Inflammatory fibroid polyp is a polypoid lesion of the gastrointestinal tract, composed of fibrous tissue, blood vessels, and inflammatory infiltration often dominated by eosinophilic leukocytes. It is infrequent, localized, and non-neoplastic condition. It is most often formed in the gastric antrum and ileum, and rarely in the esophagus, small bowel or colon. The polyp in the stomach is mainly located in the submucosa of the antrum, and may cause intermittent epigastric pain, vomiting, antral obstructive symptoms or rarely bleeding. When present in small bowel, it is usually localized in the ileum and presents with obstructive symptoms but clincal manifestations are different according to the location. Intussusception resulting from the mass is not common. We report a case of inflammatory fibroid polyp of the cecum causing intussusception. A 42-year-old male patient was referred to the hospital for the evaluation of right lower quadrant abdominal pain and palpable mass. A contrast-enhanced CT scan of the whole abdomen and colonoscopic examination revealed intussusception with a cecal mass. Inflammatory fibroid polyp causing intussusception was histologically confirmed by surgical wedge resection.

A Case of Inflammatory Fibroid Polyp Presenting with Jejunal Bleeding / 대한소화기학회지

Inflammatory fibroid polyp occurs very rarely in the jejunum and gastrointestinal bleeding as an initial manifestation of inflammatory fibroid polyp has not been reported. We report a case of a jejunal inflammatory fibroid polyp presenting with melena for 10 days. Upper gastrointestinal endoscopic examination was negative for any active bleeding lesions and abdominal angiography failed to localize the bleeding site as well. In contrast, computed tomography of the abdomen demonstrated a segmental wall thickening of the jejunum with a tumor-like mass lesion associated with dense contrast enhancement. Consistent with this, technetium 99m red blood cells scintigraphy exhibited red cell pooling at the right upper quadrant. On exploratory laparotomy, there was an active bleeding from the site of the jejunal tumor and a segmental resection was performed. Histologically, the tumor lesion of the jejunum was consistent with inflammatory fibroid polyp. Thus, we conclude that the tumor lesion was a cause of the gastrointestinal bleeding.

Inflammatory Fibroid Polyp of the Stomach Mimicking Gastric Cancer

We report a rare case of inflammatory fibroid polyp of the stomach that mimicked gastric cancer. A review of the associated literature is also reported. A 32 year old woman was admitted to our hospital with a history of vomiting and epigastric pain and a weight loss of 10 kg in one month. A radiologic and an endoscopic examination showed a protruding tumor, with diffuse ulceration at the posterior wall of the prepyloric antrum of stomach. Although no malignant cells were histologically confirmed in the biopsy specimens, a subtotal gastrectomy, with a lymphadenectomy, was performed because gastric cancer was suspected, preoperatively. The histopathological diagnosis was an inflammatory fibroid polyp of the stomach. If a submucosal tumor of the stomach is suspected in a preoperative diagnosis, an inflammatory fibroid polyp should be considered as one of the possible differential diagnoses.

Inflammatory Fibroid Polyp of the Stomach Associated with Gastritis Cystica Profunda / 대한소화기내시경학회지

Inflammatory fibroid polyp(IFP) typically prescnts as a polypoid mass in the gastric antrum. Radiologically and endoscopically, it can be confused with polypoid carcinoma or submucosal stromal tumor. The histogenetic origin of IFP has been controversial, but it is considered as a reactive lesion of the myofibroblastic nature. IFP is rarely concomitant with gastritis cystica profunda(GCP) which is also one of the nonneoplastic inflammatory polyps. We report a case of IFP associated with GCP presenting as a large polypoid mass in the previously unoperated stomach of a 78-year-old woman. The mass was mainly located in the submucosa of the antrum and the cut surface exhibited a myxoid and glistening appearance with partial cystic change. Histologically, the mass showed marked proliferation of spindle cells, small blood vessels and many inflammatory cells, especially eosinophils. Also, there were many variable sized glands composed of gastric foveolar epithelia within the mass. In conclusion, the rarity of these two associated lesions in the present case may cause difficulty in diagnosis, and therefore recognition about these lesions is needed. In addition, this case supports the nature of IFP as being reactive rather than neoplastic.

4 Cases of Inflammatory Fibroid Polyp of the Stomach: The findings of endoscopic ultrasonography / 대한소화기내시경학회지

Inflammatory fibroid polyp is a relatively rare, benign lesion of gastrointestinal wall which is composed of fibrous connective tissue, blood vessels, and infiltration of eosinophils, These occur mainly in two sites, the distal stomach and the distal ileum. The gastric lesions are almost always situated in the antral region, frequently adjacent to the pyloric sphincter. they have been found in patients from the third through the ninth decades with a medial age in the midsixth decade. There seems to be a sligbt male predominance. The majority of inflammatory fibroid polyps had been reported with pathologic specimen in stomach. These reveal polypoid masses originated mainly in the submucosa of the stomach, As to the diagnosis of submucosal tumor of the stomach, a newly developed diagnostic modality of endoscopic ultrasonography allows us to visualize the structures underlying the gasointestinal wall in a noninvasive manner, and has the great advantage over the conventional modalities such as endoscopy and X-ray examination. We report 4 cases of inflammatory fibroid polyp in ithe stomach, which was diagnosed by the gastrofiberscopy and endoscopic ultrasonography, and treated by surgical operation in 1 case and endoscopic resections in 3 cases, These lesions were demonstrated as hypoechic tumors mainly in the third layer of the gastrie wall with irregular margin and unclear bouadary by endoscopic ultrasonqgraphy. The findings of endoscopic ultrasonography are discussed with the review of the literature.

A Case of Inflammatory Fibroid Polyp of the Stomach / 대한소화기내시경학회지

Inflammatory fibroid polyp is a relatively rare, benign polyp which is composed of fibraus connective tissue, blood vessels, and infiltration of eosinophils. The majority of inflammatory fibroid polyps has been reported with pathologic specimen in stomach and small intestine. We performed the gastrofiberscopy and endoscopic ultrasonogram of an inflammatory fibroid polyp, which reveals central ulcerated polypoid mass originated in the submucosa of antral portion of the stomach. So we report a case of endoscopic and endoscopic ultrasonographic findings of inflammatory fibroid piolyp in stomach. The etiolagy and pathology are discussed with the review of the literatures.