Lichen planus pigmentosus inversus: a series of 10 Tunisian patients.

Background: Lichen planus pigmentosus inversus (LPPI) is a rare variant of LP. Only 31 cases have been reported in the literature.

Methods: Here we report a series of 10 patients with LPPI from North Africa.

Ecthyma Gangrenosum Caused by Escherichia coli in a Previously Healthy Girl.

Ecthyma gangrenosum is a characteristic lesion of Pseudomonas aeruginosa sepsis in immunocompromised patients. Only eight cases of ecthyma gangrenosum caused by Escherichia coli have been reported. We report a case of ecthyma gangrenosum due to E.

Tumeur myofibroblastique inflammatoire de la vessie.

La tumeur myofibroblastique inflammatoire est une lésion classée par l'OMS parmi les néoplasies intermédiaires. Elle peut siéger dans différents organes : les poumons, le pancréas, le mésentère et l'utérus. La localisation vésicale est rare.

Lymphoepithelial Carcinoma of the Nasal Cavity With EBV Infection in a North African Man.

We report the case of a 58-year-old Tunisian man who presented with a 2 months' history of left nasal obstruction and one episode of epistaxis. Nasal endoscopy revealed a polypoid mass of the left nasal septum. Magnetic resonance imaging showed a left nasal cavity tumor with erosion of the orbit.

Primary Subcutaneous Ewing Sarcoma Presented as Pseudo Aneurysmal Subcutaneous Tumor.

Background: Extraskeletal Ewing's sarcoma is a rare malignant tumor of mesenchymal origin, which is histologically similar to primary osseous Ewing's sarcoma. It has been well described in deep soft tissues. However, location in cutaneous or subcutaneous tissue has rarely been reported.

Synchronous Bilateral Benign Phyllodes Tumor of the Breast in a 32-year-old Woman.

Bilateral phyllodes tumors are distinctly uncommon. As some previous reports have described, most of them are malignant and asynchronous. We report a new case of bilateral synchronous phyllodes tumor in a 32-year-old women.

In Situ and Invasive Ductal Carcinoma Within a Borderline Phyllodes Tumor.

A rare case of a borderline phyllodes tumor with simultaneous intraductal and infiltrating duct carcinoma is reported. The patient was a 52-year-old woman with a breast tumor detected by physical examination. A simple mastectomy was performed.

Synovial Sarcoma: A Clinicopathological and Radiological Study of 12 Cases Seen Over 18 Years.

Background: Synovial sarcoma is a rare malignant soft tissue tumor characterized by a poor outcome. We report herein our experience concerning synovial sarcoma and review its diagnosis, histology, treatment and prognosis.

Methods: This is a retrospective review, from 1990 to 2007, of cases of synovial sarcoma diagnosed at the Department of Pathology, Farhat Hached hospital, Sousse, Tunisia.

Mucinous carcinoma with axillary lymph node metastasis in a male breast: A case report.

Context: Pure mucinous carcinoma of the male breast is an extremely rare neoplasm. It is characterized by a lower incidence of metastatic nodal involvement and a higher survival rate than invasive ductal carcinomas.

Case Report: We report the case of a 75-year-old male who presented with a retroareolar mass of the right breast.

Extra ocular sebaceous carcinoma of the thigh: A case report.

Context: Sebaceous cell carcinoma is a malignant neoplasm, rarely recognized in extra ocular sites. His prognosis depends of the precocity of the diagnosis. This neoplasm is aggressive in 29%; lymph node and visceral metastasis aren't rare.

Squamous cell carcinoma arising from an epidermal inclusion cyst: A case report.

Context: Cutaneous epidermal cysts are common lesions, but fortunately, malignant transformation of their epithelium is rare. There are few case reports in the literature concerning malignant transformation of an epidermal cyst into squamous cell carcinoma. We present a case of squamous cell carcinoma arising from an epidermal inclusion cyst and describe the clinical and histopathologic findings.

Bilateral proliferating Brenner tumor of the ovary associated with recurrent urothelial carcinoma of the urinary bladder.

Context: Brenner tumors of ovary are relatively uncommon neoplasm. Most of them are benign and less than 5% are proliferating or borderline. The association between Brenner tumor of the ovary and papillary urothelial carcinoma of bladder is extremely rare.

Metastatic hidradenocarcinoma: Surgery and chemotherapy.

Context: Hidradenocarcinoma is a rare carcinoma of high malignant potential. It most metastasizes to regional lymph nodes and distant viscera.

Case Report: We report a case of 52-year-old woman who presented with an invasive hidradenocarcinoma of the finger, treated with surgical excision.

Gastrointestinal stromal tumor of the pancreas: A case report and review of the literature.

Context: Primary stromal tumors of the pancreas are extremely rare. Only four cases have been reported in the literature. We describe a new case and analyze, through a review of the literature, the clinical and pathological data, and the outcome of the previously reported cases.

Giant cell tumor of soft tissue of neck: a case report.

Context: Giant cell tumor of soft tissue is a rare primary soft tissue tumor with low malignant potential. It is clinically and pathologically similar to the giant cell tumor of the bone.

Case Report: We report a case of a 28-year-old man complaining of a painless solitary nodule arising in the spinal muscle of the neck.

Solitary fibrous tumor with giant multinucleated cells in the retroperitoneum - a case report.

Context: Solitary fibrous tumor is a distinct neoplasm, rarely recognized in extrathoracic sites.

Case Report: The article reports a new case in the retroperitoneum in a 55 year-old man, who presented with urinary symptoms. Tumor was completely excised, and the solitary fibrous tumor was diagnosed after pathologic examination and immunohistochemistry.

Primary lymphoepithelial carcinoma of the parotid gland in a North African woman.

Lymphoepithelial carcinoma of the salivary glands is a rare neoplasm that is characterized by a non-neoplastic lymphocytic infiltration associated with an epithelial proliferation. It involves mainly the parotid gland. Racial and geographical factors contribute to the pathogenesis of this tumor.