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PubMed1999

Camillo Golgi: a clinical pathologist.

Camillo Golgi opened new avenues in histology and neurobiology as well as in clinical neurology and internal medicine. This is demonstrated by investigations Golgi performed during 1861-1876 on the etiology and pathology of mental diseases, on the neuropathology of Huntington's chorea (Golgi provided the first detailed description at the microscopic level of pathological changes in the basal ganglia and cerebral cortex of one case of chorea), on meningiomas and cerebral gliomas. In the period following these investigations, Golgi focused especially on infectious diseases. He pursued fundamental studies on malaria (which remain among the most important and original of his contributions) on rabies, as well as on smallpox and influenza. Thus, Camillo Golgi should be remembered for his discoveries of the black reaction and the Golgi apparatus, as well as for the modern impulse he was able to give to clinical neurology and internal medicine.

Communicable Diseases↗
PubMed2002

The spectrum of laryngeal neoplasia: the pathologist's view.

Several types of neoplastic change with different prognostic implications typically involve the laryngeal squamous epithelium. The purpose of this review is to examine the spectrum of these changes, as well as their relationship to benign squamous epithelial proliferative states. Since these pathological changes are apt to occur in regions where the epithelial lining is typically squamous, it is important to recognize that the epithelium of the larynx varies from stratified squamous to respiratory-type, depending on the location. The lingual (anterior) surface of the epiglottis is lined by a stratified squamous type, while the laryngeal (posterior) surface is stratified squamous merging into respiratory-type. In the larynx, the supraglottic and infraglottic portions are a respiratory-type, which contrasts with the stratified squamous epithelium of the glottis. This typical distribution does show some degree of variability in those patches of squamous epithelium and is frequently seen within the respiratory-type epithelial regions. The junction between the two epithelial types may be abrupt or separated by a transitional zone.

Carcinoma in Situ↗
PubMed2004

Dermoscopy and its role in diagnosing melanocytic lesions: a guide for pathologists.

Dermoscopy (surface microscopy) is a clinical technique which uses a hand-held magnifying instrument, usually with liquid at the skin-instrument interface, to examine pigmented lesions on the skin surface. A magnification of x 10 is usually used. Dermoscopy assists in deciding if the lesion should be excised or biopsied, requires monitoring or can be safely left in situ. The technique provides a bridge between the naked eye appearance of a lesion and the histopathological examination. Multiple dermoscopic features have been described and many of their histological correlates have been determined. Dermoscopic diagnosis usually involves a two-step procedure. The first step is to decide if the lesion is melanocytic or not. If melanocytic, the second step is to decide if the lesion is benign or malignant. Multiple algorithms have been developed to help in this decision. Dermoscopic criteria have been developed for melanoma and naevi. Several non-melanocytic pigmented lesions can be diagnosed with dermoscopy, including pigmented basal cell carcinoma, seborrhoeic keratoses, haemangioma and lichen planus-like keratosis.

Dermoscopy↗
PubMed1998

Broadsheet number 47: Chronic hepatitis: an update with guidelines for histopathological assessment of liver biopsies. Board of Education of The Royal College of Pathologists of Australasia.

The liver biopsy remains the 'gold standard' for the diagnosis of chronic hepatitis, particularly since it is the only investigation that permits assessment of the severity (grade of histological activity and stage of fibrosis) of liver injury. As outlined below, the liver biopsy is invaluable for both diagnosis and the monitoring of therapy. To optimise the value of the liver biopsy, a standardised approach for assessment and reporting of chronic hepatitis is recommended.

Biopsy↗
PubMed2003

Identifying predators - a role for veterinary pathologists (abstract).

Predator identification has traditionally been the domain of ecologists who have relied on the feeding sign left by various predator species at the nest or carcass. Thus destructive animals such as cats and dogs can be distinguished from relatively clean predators such as mustelids and messy predators such as possums and rats. The presence of scats or foot imprints, and the location of the nest or carcass are also useful signs, however in many cases it may be impossible to distinguish between predators and scavengers. New technology such as time-lapse photography and video surveillance are valuable tools but still cannot monitor every event. Veterinary pathology can play a useful role by carefully examining and recording the site and severity of lesions and distinguishing between ante- and post mortem tissue damage, using histopathology if necessary. Distances between the canine teeth can be measured from bite marks in the skin and subcutaneous tissues, and mammalian fur on the claws and beak of larger birds can be identified by measuring fibre length and diameter.

Journal Article↗
PubMed2026

Salivary duct carcinoma- contemporary nuts and bolts from pathologist perspective.

INTRODUCTION: Salivary gland carcinomas are highly heterogeneous malignancies that present a complex variety of histological features and distinct clinical behaviors, with salivary duct carcinoma (SDCa) as the most clinically severe and aggressive subtype. The standard of care for these patients is a combined approach of surgery followed by radiotherapy. The aggressive clinical course of SDCa is primarily driven by frequent disease recurrences and systemic spread. AREAS COVERED: The publication of WHO 5th Classification of Head and Neck tumors has sparked a surge in research targeting SDCa. Owing to the highly aggressive behavior of the tumor, most literature heavily emphasizes the molecular pathology of SDCa.A systematic literature search was conducted using the PubMed with the following search terms: salivary duct carcinoma AND pathology OR updates OR molecular OR signaling pathway OR gene expression OR mutation OR oncogene OR tumor suppressor OR DNA methylation OR tumor microenvironment. Results were limited to primary research articles in English language. EXPERT OPINION: This article outlines key advancements in SDCa morphology, molecular pathology, and targeted therapies. Patient management in precision oncology will be fundamentally transformed by the classification of new morphologic subtypes, the discovery of molecular biomarkers, and an enhanced comprehension of tumor microenvironment.

HER 2↗