Basaloid squamous cell carcinoma BSCC, an aggressive tumor of the aerodigestive tract, was described over 20 years ago, and its defining histologic parameters remain largely unchanged. Cutaneous basaloid squamous cell carcinoma of the face, a rare variant: A case report Krishnangshu Choudhury Bhanja, Swapan Kumar Mallick, Shyam Sharma, Rama Saha ABSTRACT Introduction: Basaloid squamous cell carcinoma BSCC is a rare and aggressive variant of squamous cell carcinoma SCC that occurs preferentially in the upper aerodigestive.
16/04/41 · Basaloid cells with scant cytoplasm and elongated hyperchromatic nuclei, peripheral palisading, peritumoral clefting and mucinous alteration of surrounding stroma Also mitotic figures, apoptotic bodies The presence of myxoid stroma and peripheral clefting has been suggested to be most helpful to distinguish BCC from other basaloid tumors. Context.—Basaloid squamous cell carcinoma bSCC is an uncommon variant of squamous cell carcinoma, which may overlap histologically with basal cell carcinoma with squamous metaplasia BCCm. Objective.—To aid in the differentiation of these.
Basaloid SCC; Found in the oropharynx and anogenital region. High association with HPV infection in anogenital lesions. Small basaloid cells with a high mitotic rate figures 34, 35 Figure 34: Figure 35: Infiltrative SCC; Small nests and strands or single cells infiltrating a dermis which is fibrous and/or mucinous figure 36. Basaloid squamous cell carcinoma BSCC is a rare variant of squamous cell carcinoma SCC of the head and neck. Wain's criteria peripheral palisading, association with SCC, high nuclear-cytoplasmic ratio, high mitotic rate, solid growth, anti-34BE12 and CK 5/6 staining, and absence of neuroendocrine markers are mandatory for the diagnosis of BSCC. Its increasing incidence parallels that of. Basal cell carcinoma BCC is the prototypical basaloid tumour of the skin, but may show various patterns simulating other cutaneous tumours, particularly squamous cell carcinoma and trichoepithelioma TE. Other challenges are presented by BCC with marked pleomorphism, glandular differentiation, neuroendocrine differentiation, clear cells and sarcomatoid change. Peripheral.
basaloid SCC has a greater or lesser metastatic potential compared with conventional SCC. How-ever, this would appear to be likely as the basaloid variant of SCC is, by deﬁnition, poorly differen-tiated.7 Bowen’s disease bowenoid epidermal dysplasia with invasion has been included in the group of SCC with high-risk behaviour.6. Squamous-cell carcinoma SCC of the lung is a histologic type of non-small-cell lung carcinoma NSCLC. It is the second most prevalent type of lung cancer after lung adenocarcinoma and it originates in the bronchi.Its tumor cells are characterized by a squamous appearance, similar to the one observed in epidermal cells.Squamous-cell carcinoma of the lung is strongly associated with tobacco. Usually, basaloid tumours that may mimic BCC include trichoepithelioma, trichoblastoma and sebaceoma. Other typically non-basaloid tumours may have a basaloid variant, e.g. squamous cell carcinoma SCC. Lesions that can show basaloid morphology are listed in Table 1. All sweat gland and miscellaneous tumours will not be discussed.
Basaloid Squamous Cell Carcinoma 69 Recent studies detected a higher frequency of HPV and HSV in basaloid tumors than in conventional squamous cell carcinomas of the head and neck . Basaloid squamous cell carcinoma in non smoker young patients. Basaloid squamous cell carcinoma BSCC, an aggressive tumor of the aerodigestive tract, was described over 20 years ago, and its defining histologic parameters remain largely unchanged. While rare reports have noted cutaneous metastatic deposition, primary tumors have not been previously described. Basaloid squamous cell carcinoma SCC of the anus, previously called cloacogenic carcinoma, is a subtype of SCC. There are very few data on the morphologic variation within basaloid SCC of the anus, which may contribute to misdiagnosis. We retrospectively evaluated cases originally diagnosed as bas. Basaloid squamous cell carcinoma - poor prognosis, usu. diagnosed by recognition of typical SCC. Carcinoma cuniculatum. Verrucous carcinoma - good prognosis, rare. Papillary squamous cell carcinoma. Lymphoepithelial carcinoma - rare. Spindle cell squamous carcinoma - a common spindle cell lesion of the H&N.
15/04/29 · Basaloid squamous cell carcinoma BSCC is an uncommon, high‐grade variant of squamous cell carcinoma SCC of the head and neck. Its poorer prognosis compared with common SCC remains controversial. The authors investigated the outcomes of patients with BSCC who received radiotherapy and compared them with the outcomes of patients with SCC. 25/08/39 · Who gets Basaloid Squamous Cell Carcinoma of Cervix? Age and Sex Distribution Basaloid Squamous Cell Carcinoma of Cervix is a rare subtype that usually occurs in women between the ages of 45 and 55 years average age 51 years. Even though a wide age range is observed, SCC of Cervix is uncommon below age 30 years. 23/06/41 · Basaloid squamous cell carcinoma, or BSCC, is a rare cancer most often found in the upper digestive and respiratory tracts.These types of carcinomas may develop in either gender at any age, but the condition seems more predominant in males around the age of 60.
basaloid carcinoma: 1. a type of squamous cell carcinoma of the anus originating in tissues arising from, or in remnants of, the cloaca. 2. in oncology, anal cancer arising proximal to the pectinate line. Synonyms: basaloid carcinoma, cuboidal carcinoma [cloaca-genic]. Basaloid Squamous Cell Carcinoma of Vulva is a rare histological variant of Vulvar Squamous Cell Carcinoma. This differentiation is based on the appearance of cells when observed under a.
We report a case of a 33-year old woman with a squamous-cell carcinoma of the rectum, of the basaloid subtype, infiltrating the uterus. The pathologic data and imaging findings that document the. Basaloid squamous cell carcinoma BSCC is a recently recognized variant of squamous cell carcinoma SCC with a predilection to occur in the tongue base, hypopharynx, and supraglottic larynx.
06/05/30 · Basaloid squamous cell carcinoma of the esophagus BSCCE is known as a rare distinct variant of esophageal carcinoma. 1–3 As the histological concept of BSCCE has been widely accepted, the number of reports of BSCCE has been gradually increasing. The differential diagnoses for basaloid salivary gland tumors with HGT includes salivary duct carcinoma, metastatic basaloid, and non-keratinizing squamous cell carcinoma SCC, and non-salivary.
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