Pathology Case

A Case of the week from
A 52 year old man. Peri-rectal lesions were excised.


What is Arias Stella ?

– He is a pathologist: Javier Arias-Stella, Peruvian pathologist
– It’s a phenomenom: Focal, unusual, decidual changes in endometrial epithelium, consisting of intraluminal budding, and nuclear enlargement and hyperchromatism with cytoplasmic swelling and vacuolation
– It’s also a peruvian postage stamp !!!

Via: Aperio Blog / Digital Pathology Blog

Urology Case

A Case of the week from
A 72 year old man had a radical prostatectomy for prostatic adenocarcinoma.

New Issue: Pathology – Research and Practice

New Issue Published online


– Chorangiosis: The potential role of smoking and air pollution

– Immunohistochemical analysis of nm23 protein expression in thyroid papillary carcinoma and follicular neoplasm

– Upper urothelial carcinoma in Balkan endemic nephropathy and non-endemic regions: A comparative study of pathological features

– Immunohistochemical galectin-3 expression in non-melanoma skin cancers

– Comparison of chromosomal aberrations between primary tumors and their synchronous lymph-node metastases in intestinal-type gastric carcinoma

– Pleomorphic xanthoastrocytoma associated with long-standing Taylor-type IIB-focal cortical dysplasia in an adult

– Oncocytic renal cell carcinoma with immunohistochemical properties of renal oncocytoma

– Mesectodermal leiomyoma of the ciliary body: Report of a case and review of the literature

– Vulvar apocrine adenocarcinoma: A case with nodal metastasis and intranodal mucinous differentiation

– Pulmonary atherosclerosis associated with an atrial septal defect in old age: Case report of an elderly autopsied patient

– Lipoid pneumonia with chronic myelomonocytic leukemia

– Extranodal follicular dendritic cell sarcoma of the tonsil – Case report of an epithelioid cell variant with osteoclastic giant cells

Photo Set: Histology/Cytology Correlation

A photo set: with Histology/Cytology Correlation


Neuro Pathology Case

A Neuropathology case from the University of Pittsburgh.
A 15 year old boy with a posterior fossa tumor

American Journal of Pathology: fastPATH Publish-Ahead-of-Print articles

Published online before print

FoxP3+ Regulatory T Cells Suppress Early Stages of Granuloma Formation but Have Little Impact on Sarcoidosis Lesions

Molecular Classification of Rhabdomyosarcoma—Genotypic and Phenotypic Determinants of Diagnosis. A Report from the Children’s Oncology Group

Rosiglitazone Abrogates Bleomycin-Induced Scleroderma and Blocks Profibrotic Responses Through Peroxisome Proliferator-Activated Receptor-{gamma}

EML4-ALK Rearrangement in Non-Small-Cell Lung Cancer and Non-Tumor Lung Tissues

Pemphigus Vulgaris IgG Cause Loss of Desmoglein-Mediated Adhesion and Keratinocyte Dissociation Independent of Epidermal Growth Factor Receptor

Staphylococcus aureus Beta-toxin Induces Lung Injury through Syndecan-1

The Translational Basis of Human Cutaneous Photoaging. On Models, Methods, and Meaning

Mechanistic Effects of Long-Term Ultraviolet B Irradiation Induce Epidermal and Dermal Changes in Human Skin Xenografts

IL-4/IL-13-Dependent Alternative Activation of Macrophages but Not Microglial Cells is Associated with Uncontrolled Cerebral Cryptococcosis

Lysophosphatidic Acid Induces {alpha}v{beta}6 Integrin-Mediated TGF-{beta} Activation via the LPA2 Receptor and the Small G Protein G{alpha}q

Profiling Bladder Cancer Organ Site-Specific Metastasis Identifies LAMC2 as a Novel Biomarker of Hematogenous Dissemination

Fn14-TRAIL, a Chimeric Intercellular Signal Exchanger, Attenuates Experimental Autoimmune Encephalomyelitis

The Chemokine Receptor CXCR4 and the Metalloproteinase MT1-MMP Are Mutually Required during Melanoma Metastasis to Lungs

Adoptive Transfer of Syngeneic Bone Marrow-Derived Cells in Mice with Obesity-Induced Diabetes. Selenoorganic Antioxidant Ebselen Restores Stem Cell Competence

The Low-Density Lipoprotein Receptor-Related Protein 1 Mediates Tissue-Type Plasminogen Activator-Induced Microglial Activation in the Ischemic Brain

Retinal Laser Burn Disrupts Immune Privilege in the Eye

Matrix Metalloproteinase-1 Promotes Muscle Cell Migration And Differentiation

Fetal Microchimeric Cells Participate in Tumour Angiogenesis in Melanomas Occurring during Pregnancy

Senescent Keratinocytes Die by Autophagic Programmed Cell Death

Role of Stem Cell Factor and Bone Marrow-Derived Fibroblasts in Airway Remodeling

Non-Muscle Myosin IIA Differentially Regulates Intestinal Epithelial Cell Restitution and Matrix Invasion