We report the case of a 36-year-old woman with a Sylvian fissure arachnoid cyst, which diminished after head trauma and minor hemorrhage into the cyst. We discuss the relationship between the cyst volume reduction and the head trauma to determine the main mechanism of this self-healing process.

Tubular adenomas in the urinary tract with the same appearance as those in the gastrointestinal tract have not yet been described in the literature. We herein report 4 cases of tubular adenomas in the urinary tract encountered within our consult practice. This lesion was defined by the presence of a ...

Solitary fibrous tumours are infrequent neoplasms based in the pleura that are predominantly benign with malignant pathology and behaviour described in 10-36% of cases. Extrathoracic solitary fibrous tumours (ESFTs) have been considered separately to their intrathoracic counterparts and comprise a third of all solitary fibrous tumours. The extrathoracic location was ...

In the present study testicular and spermatogenetic aspects were described for Lagria villosa using light and scanning electron microscopy. In this species, spermiogenesis results in the formation of sperm bundles with spermatozoa arranged in an antiparallel manner, a characteristic observed only in Tenebrionidae. L. villosa, however, has about 60 follicles ...

OBJECTIVE: To assess the international agreement on the hysteroscopic diagnosis of septate uterus. DESIGN: Interobserver study. SETTING: Eight hysteroscopy recordings were put online on the website of the European Society of Gynaecological Endoscopy. PATIENT(S): Asymptomatic, infertile women indicated for a first in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) treatment cycle. ...

A 61-year-old man developed subacute progressive dementia, general fatigue, a tonic-clonic seizure, and a decreased level of consciousness. He had a past history of chronic hepatitis type C and was diagnosed as having hepatic encephalopathy due to hyperammonemia. His level of consciousness did not improve even though the serum ammonia ...

A 19-year-old man presented with a right testicular swelling. Testicular ultrasound demonstrated areas suspicious for malignancy and so it was decided to proceed for a right radical inguinal orchiectomy. Initial histological examination revealed a multiloculated cystic lesion at the area of the rete testis yet normal testicular parenchyma elsewhere. Specialist ...

Malignant fibrous histiocytoma is a very common subtype of soft-tissue sarcoma in middle and late adulthood. However, malignant fibrous histiocytoma of the testis is very rare in adolescents. We report here the case of a 14-year-old Han Chinese boy, who presented with left scrotal mass lasting for 20 days along ...

Adenomatoid tumor is a benign neoplasm of the male and female genital tracts arising from mesothelial cells. Fine needle aspiration cytology (FNAC) plays a pivotal role in its preoperative diagnosis. Therefore, it is imperative that pathologists should be well aware of its cytological features so as to avoid erroneous diagnosis ...

OBJECTIVE: To describe a case of retroperitoneal metastasis of a gonadal germ cell tumour with the "burned-out" phenomenon in a 35 year old patient with a suspected diagnosis of retroperitoneal tumour of neurogenic origin. METHODS: With the clinical and radiological suspicion of retroperitoneal tumour of neurogenic origin the tumour was ...

Undescended testis (UDT) is seen in 3% to 5% of all newborn boys. Complications such as infertility and malignant transformation have been well documented in UDT. However, torsion of a UDT can also occur and the diagnosis is often missed or delayed, leading to loss of testis. This event may ...

ABSTRACT: A 53-year-old Taiwanese male had several episodes of left epididymitis with hydrocele refractory to antibiotic treatment. Partial epididymectomy plus preventive vasectomy were planned, and, incidentally, an ill-defined nodule was found lying on the tunica vaginalis near the epididymal head. The pathological diagnosis was malignant mesothelioma of the tunica vaginalis ...

An elderly male presented to the ENT, Outpatient Department at Abbasi Shaheed Hospital (ASH) with a mass on the left side of the face and lower jaw for 8 - 9 years. It was of a tennis ball size. No treatment was sought by him during those years. A diagnosis ...

Borderline serous tumour of the testis and paratestis is an uncommon entity. We report a case of borderline serous tumour of a 59-year-old male, who presented with a right testicular swelling which was clinically suspicious of carcinoma. Radical orchidectomy was performed and a cystic lesion was identified in the testis. ...

An 80-year-old presented with a painless, solid abnormality in his left testicle. Scrotal ultrasound reported a lesion suggestive of a malignant tumour (Figure 1). Tumour markers were normal. He underwent a left radical orchidectomy and histology confirmed a testicular haemangioma.

In light of the dramatically increasing prevalence of Alzheimer's disease (AD) to be expected in the future, the development of novel therapeutics, improved differential and early diagnostics, and means for the identification of individuals at risk are urgently needed. At present, instruments for a reliable differential diagnosis in clinical dementia, ...

Testicular capillary hemangioma is a rare benign vascular lesion. Appropriate recognition is paramount to ensuring testicular preservation. The authors present a case with an atypical presentation along with a review of the literature. Classic epidemiologic, clinical, and pathologic characteristics, as well as recommended surgical intervention are provided.

We discuss the clinical presentation and treatment of pilomatrixoma as it occurs in the lower extremity. Although pilomatrixoma is far more common on the head, neck, and upper extremity, it can be found on the lower extremity. Treatment is aimed primarily at excision if the lesion is symptomatic or suspicious ...

Unexplained male infertility is a diagnosis reserved for men in whom routine semen analyses results are within normal values and physical as well as endocrine abnormalities were ruled out. In addition to erectile problems and coital factors, immunologic causes and sperm dysfunction may contribute to such condition. New etiologies of ...

Teratomas are a type of germ-cell tumour which may contain embryological tissues from more than one germ-cell layer, usually occurring in the gonads. Primary retroperitoneal teratomas account for 1-11% of retroperitoneal neoplasms and are most commonly found in neonates and young adults. In the clinical literature, retroperitoneal mature cystic teratoma ...

A five and a half year-old girl presented with a reddish-brown plaque on her right anterior tibia, first observed 1 year previously and without any history of injury or insect bite. Histological examination showed a dense dermal infiltrate composed of plasma cells and small lymphocytes, combined with lymphocytic exocytosis in ...

Multidetector computed tomography angiography (CTA) provides information on plaque extent and stenosis in the coronary wall. More accurate lesion assessment may be feasible with CTA as compared to invasive coronary angiography (ICA). Accordingly, lesion length assessment was compared between ICA and CTA in patients referred for CTA who underwent subsequent ...

To assess in a multicenter design the between-center reproducibility of volumetric virtual histology intravascular ultrasound (VH-IVUS) measurements with a semi-automated, computer-assisted contour detection system in coronary lesions that were consecutively stented. To evaluate the reproducibility of volumetric VH-IVUS measurements, experienced analysts of 4 European IVUS centers performed independent analyses (in ...

A case is reported on recurrence of a rare conjunctival fibrous histiocytoma (FH) in a 38-year-old man. The lesion was excised and subsequently sent for histopathology and immunostaining resulting in a diagnosis of fibrous histiocytoma (FH). Recurrence was detected 3 months postoperatively requiring a conjunctivosclerokeratomy with cryotherapy and flap. At ...

Anaplastic cortical ependymomas are rare lesions with few cases reported in the literature. We present a unique case of an anaplastic cortical ependymoma in a 51-year-old female presenting as a butterfly lesion with involvement of both frontal lobes. The patient underwent gross total resection of her tumor with further adjuvant ...

Leiomyomas are benign tumours that originate from smooth muscles. They are often seen in the uterus, but also in the renal pelvis, bladder, spermatic cord, epididymis, prostate, scrotum or the glans penis. Leiomyomas of the tunica albuginea are extremely rare. A 59-year-old white male has noted an asymptomatic tumour on ...

A 28-year-old offshore worker attended accident and emergency department with a tender benign-feeling lump inferior to the left testis. He was previously investigated abroad with an ultrasound scan showing a homogenous mass posterior to the left testis. Subsequent CT was unremarkable. As there was no clinical suspicion of malignancy, a ...

BACKGROUND AND PURPOSE:CAS carries an inherent risk of distal cerebral embolization, precipitating new brain ischemic lesions and neurologic symptoms. Our purpose was to evaluate the frequency of new ischemic lesions found on DWI after protected CAS placement and to determine its association with plaque morphology.MATERIALS AND METHODS:Fifty patients (mean age ...

BACKGROUND: Little is known about intravascular ultrasound (IVUS) findings and acute post-percutaneous coronary intervention (PCI) outcome and long-term clinical outcome between aorto-ostial lesion and shaft lesion after PCI for saphenous vein graft (SVG) lesions. METHODS: Aorto-ostial lesion was defined as those arising within 3mm of the origin of SVG and ...

Brenn T (2011) Histopathology Pitfalls in the evaluation of melanocytic lesions The pathology of melanocytic tumours remains one of the most challenging and controversial fields in diagnostic histopathology, and it is one of the leading causes for litigation against pathologists. This is due largely to the wide morphological spectrum and ...

Cutaneous and systemic plasmacytosis (CSP) is a rare disorder characterized by disseminated reddish brown plaques and polyclonal hypergammaglobulinemia. The lesions of CSP are histologically characterized by an infiltration of mature polyclonal plasma cells, which display similar pathological features to the plasma cell-type Castleman disease (CD). The relationship between CSP and ...

The widespread use of scrotal ultrasonography (US) has led to increased detection of testicular and extratesticular pathologies. Cystic or encapsulated fluid collections are relatively common benign lesions that usually present as palpable testicular lumps. Most cysts arise in the epidydimis, but all anatomical structures of the scrotum can be the ...

The aim of this study was to determine the best intravascular ultrasound (IVUS) criteria for predicting physiological significance of left main (LM) stenosis with fractional flow reserve (FFR) as the standard. For identifying significant LM disease, optimal cutoff of minimal lumen area (MLA) and its accuracy remain debatable. We identified ...

A 34-year-old nonpregnant woman noted a mildly pruritic skin lesion on her right breast for 1 week following an episode of coryza, malaise, and low-grade fever of 3 days' duration. The latter symptoms subsided without any treatment. Ketoconazole cream prescribed by her family physician did not resolve the breast eruption ...

A male neonate was clinically diagnosed with congenital intestinal atresia. Surgical operation was performed and the ileum including the atretic portion was resected. Grossly, there was a plaque-like elevation of mucosa at the proximal side of the ileal atresia. Microscopic examination of this lesion revealed proliferation of severely atypical glands. ...

Aims: To analyse the ultrasound anatomy of bifurcation lesions {1,1,0},{0,1,0} and {1,0,0} of the Medina classification in order to identify predictors of angiographic side branch (SB) damage after main branch (MB) stenting. Methods and results: One hundred and ten patients with Medina classification bifurcation lesions of {1,1,0},{0,1,0} and {1,0,0} were ...

Adult onset leukodystrophy with neuroaxonal spheroids is an uncommon cause of dementia. Both hereditary (autosomal dominant) and sporadic cases have been described. A 41-year-old African woman presented with inappropriate behavior and personality change consistent with frontal lobe dysfunction. MRI demonstrated diffuse frontoparietal white matter signal abnormality and volume loss, as ...

BACKGROUND: Connective tissue nevi (CTN) may be isolated, either sporadic or hereditary, or syndromic as in the Buschke-Ollendorff syndrome. Few publications have addressed the variable clinical and histopathologic expression of these benign hamartomas. OBJECTIVE: We sought to characterize the clinical and histopathologic features of CTN and to highlight a spectrum ...

The structure of mouse atherosclerotic lesions may differ from that of humans, and mouse atherosclerotic plaques do not rupture except in some specific locations such as the brachiocephalic artery. Recently, our group was the first to observe that the amplitudes of in vivo stresses in ApoE(-/-) mouse aortic atherosclerotic lesions ...

Nevus sebaceous (NS) is a type of classical nevus or congenital malformation that is often present at birth and commonly involves the scalp or face. The lesion usually presents as a linear, yellow, hairless, and verrucous plaque. It has been well-established that several benign and malignant tumors can develop from ...

Castleman's disease (CD) is an uncommon B-cell lymphoproliferative disorder characterized by lymph node hyperplasia with vascular proliferation. Cutaneous involvement in CD is rare. A 65-year-old man presented with a 7-year history of gradually developing multiple reddish to violaceous indurated plaques on the scalp, trunk, and legs. On physical examination, there ...

Cutaneous metastases from gastric adenocarcinoma are extremely rare. When present, metastasis typically signifies disseminated disease with a poor prognosis. We report a case of an 80-year-old male with gastric cancer who presented with a single, erythematous plaque on the left palm, a very rare site for skin metastasis. Results of ...

Peyronie's disease is relatively frequent and can cause pain and penile induration. Penile soft tissue tumors, however, are exceptional, with fewer than 45 cases reported since 1930. Some clinical and imagery elements could lead to earlier diagnosis through biopsy, enabling more extensive resections and, ultimately, better prognosis.

Porokeratosis represents a heterogeneous group of keratinization disorders typified by the presence of annular plaques with distinct, raised borders that include cornoid lamellae. Histopathologically, a cornoid lamella is a column of parakeratotic scale overlying an epidermal invagination that displays nearby dyskeratotic keratinocytes and loss of the granular layer. Porokeratosis ptychotropica ...

Buruli ulcer (BU) caused by Mycobacterium ulcerans is a necrotizing skin disease usually starting with a subcutaneous nodule or plaque, which may ulcerate and progress, if untreated, over months and years. During the currently recommended antibiotic treatment with rifampicin/streptomycin plaque lesions tend to ulcerate, often associated with retarded wound healing ...

Dermatologists are called on to diagnose a variety of skin conditions in diverse age groups. Dermatologic diagnosis, based on identification of a primary lesion, uses morphologic clues to categorize the pathologic process causing the eruption. In addition, distribution and grouping of lesions helps support a specific diagnosis. Dermatologists consciously or ...

This study assesses the current prevalence status of Cystic echinococcosis in cattle and sheep and echinococcosis in dogs in Assela, Makale and Debre Zeit areas of Ethiopia. Our target areas represent three different agro-ecological zones in Ethiopia. Of the cattle studied the infected were, 17(13.4%) in Assela, 20(23.3%) in Makale, ...

Erythema nodosum is a common variant of panniculitis. It is characterized by tender erythematous nodule and plaque on the anterior aspect of the leg. The etiology is not fully understood. It may be associated with a variety of disorders, including infection, medication, autoimmune disorders, pregnancy, and malignancy. A 33-year-old Korean ...

Abstract Plaque psoriasis is associated with significant psychosocial, quality-of-life, and economic burden. The objective of this study was to quantify the value to patients of reducing the severity and size of plaque psoriasis lesions. Subjects included individuals with a self-reported diagnosis of plaque psoriasis from a nationally representative US household ...

A fifty-five year old Caucasian male presented with infiltrated plaques and nodules on the left leg. The lesions had been present for 6 months. He presented associated cardiopathy, nephropathy and endocrinopathy. Histopathological and immunohistochemical examinations confirmed the diagnosis of cutaneous diffuse B cell lymphoma. CD 20, CD 79a and Ki-67 ...